CBSE X Maths Arithmetic Progression

Divide 32 into 4 parts such that all are in A.P such that the ratio of product of extremes to the p

CBSE X Maths Arithmetic Progression

About an A.P sum.............

CBSE X Maths Arithmetic Progression

If the sum of the first m terms of an AP is n and the sum of the first n terms is m,then show that the sum of its first (m+n) terms is-(m+n)

CBSE X Maths Arithmetic Progression

common difference of an arithmetic progression is 3 and find a20 - a15

JEE Plances JEE (Main) Maths Sequences and Series

Circled one ques

JEE Plances JEE (Main) Maths Sequences and Series

ques 22

Gujarat Old X Maths Arithmetic Progression

Find the sum of first 30 positive integer multiple of 6

CBSE XI Science Maths Sequences and Series

I an A.P. if S1 = T1 + T2 + T3 + T4 + ...........+ Tn ( nis odd ) and S2 = T2 + T4 + T6 + .... + T(n-1),   then find the value of s1/S2 in terms of n.

CBSE XI Science Maths Sequences and Series

Prove that the sum of n numbers of terms of two different AP's can be same for only one value of n.

JEE Plances ALL Class Maths Sequences and Series

ques no 23

CBSE XI Science Maths Sequences and Series

This question is spinning my head.. Please help..

Asked by nitishkrnehu09 23rd November 2017 9:55 AM

Answered by Expert

Q no 7 and 8 solve both

CBSE XI Science Maths Sequences and Series

The question is attached

CBSE XI Science Maths Sequences and Series

The question is attached.

CBSE XI Science Maths Permutations and Combinations

Question is attached.

CBSE XI Science Maths Permutations and Combinations

question is attached. Please send step by step complete solution.

CBSE XI Science Maths Sequences and Series

question is attached. Please send step by step complete solution.

ICSE X Maths Arithmetic Progression

If the sum of first n terms of AP is 6n-n^2 find its 25th term

ICSE X Maths Arithmetic Progression

19th sum

ICSE VIII Maths Playing With Numbers

How many numbers are there between 200 and 800 which are divisible by both 5 and 7 ?

ICSE X Maths Arithmetic Progression

The p the term of an AP is 20 and its q th term is 10. Show that the sum of its first (p+q) terms is (p+q)/2 {30+10/(p-q)}  

CBSE X Maths Arithmetic Progression

Answer the following

CBSE X Maths Arithmetic Progression

Answer the following

CBSE X Maths Arithmetic Progression

Answer the following

CBSE X Maths Arithmetic Progression

Answer the following

CBSE X Maths Arithmetic Progression

Answer the following

CBSE X Maths Arithmetic Progression

Answer the following

CBSE X Maths Arithmetic Progression

Answer the following

ICSE X Maths Arithmetic Progression

Solve  sum b Plz dont give any link of other solved sum

ICSE X Maths Arithmetic Progression

The 3rd term of an GP is 4. Find the product of its first 5 terms.

ICSE X Maths Arithmetic Progression

Is S1=sum of n terms, S2=sum of 2n terms and S3=sum of 3n terms of an AP. SHOW THAT  S3=3(S2-S1)

CBSE X Maths Arithmetic Progression

Find four numbers In ap whose sum is 20 and the sum of whose square is 120

CBSE X Maths Arithmetic Progression

If the sum of first 10 terms of an A.P. is 140 and that of 16 terms is 320;find the sum of first n terms

CBSE X Maths

the interior angles of a polygon are in ap.the smallest angle is 120. and the common difference is 5degree. find the number of polygon  

ICSE X Maths Arithmetic Progression

The sum of n terms of a sequence is an^2+bn , show that the sequence is an AP.

CBSE X Maths

Sum of the first n terms of an AP is 3n^2/2 + 13n. Find the nth term of the AP.

CBSE X Maths Arithmetic Progression

Sum of the first n terms of AP is 3n^2/2 + 13n/2. Find the nth term of the AP (Substitution method not allowed)

CBSE X Maths Arithmetic Progression

If the sum of first 13 terms of an A.P.,  is 21 and the sum of first 21 terms is 13 . Show that sum of first 34 terms is -34. 

ICSE X Maths Arithmetic Progression

If sum of m terms of an AP is n and sum of n terms of an AP is m, show that the sum of (m+n) terms of the AP is -(m+n)

ICSE X Maths Arithmetic Progression

If the sum of n terms of an AP is 3n^2+2n, find its r^th term.

CBSE X Maths Arithmetic Progression

27. If the ratio of the sum of the first n terms of two A.Ps is (7n + 1) : (4n + 27), then find the ratio of their 9th terms.

CBSE XI Commerce Maths

Question no 14 b

ICSE X Maths

Insert six AMS between 15and -15.

CBSE X Maths

i can't understand dis ques plz explain The houses of a row are numbered consecutively from 1 to 49. Show that there is a value of x so that the sum of the numbers of the houses preceding the house numbered x is equal to the sum of the numbers of the houses following it. Find this value of x. [Hint : Sx – 1 = S49 – Sx ]

CBSE X Maths

plz explain i cant get it A ladder has rungs 25 cm apart. (see Fig. 5.7). The rungs decrease uniformly in length from 45 cm at the bottom to 25 cm at the top. If the top and the bottom rungs are 1 2 2 m apart, what is the length of the wood required for the rungs? [Hint : Number of rungs = 250 25 ]

ICSE X Maths

  700002544_Topper_2_110_ ... 649_1516706377_4175.pdf (Topper learning's most important questions maths ) chapter11 question 3   

CBSE X Maths Arithmetic Progression

Find the common  diffrence of an AP whose first term is 5 and the sum of the first four terms is half the sum of the next four terms

CBSE X Maths Arithmetic Progression

Find the sum of all 3-digit numbers which leave remainder 3 when divided by 5.

CBSE X Maths Arithmetic Progression

what is the formula for nth term of an AP

CBSE X Maths Arithmetic Progression

Q2 Please answer the question in short cut but fundementally and step wize . I hardly able to understand your answer .  

CBSE X Maths Arithmetic Progression

Along a road lies an odd number of stones placed at intervals of 10 meters . These stones have to be assembled around the middle stone . A person can carry only one stone at a time . A man started the job with one of the end  stones by carrying them in succession . In carrying all the stones he covered a distance of 3 km .Find the number of stones.

CBSE X Maths Arithmetic Progression

Q no 9 

CBSE X Maths

The sum of four consecutive numbers in an AP is 32 and the ratio of the product of the first and the last term to the product of two middle terms is 7:15. find numbers.

CBSE VIII Maths

the ratio of 11th term to it 18th term is 2:3. find the ratio of sum of 1st five terms to the sum of 1st ten terms ?

CBSE X Maths

Find the 10th term common between the series 3+7+11+......   and    1+6+11+......

ICSE X Maths Arithmetic Progression

The 6th term of am AP is 16 and 14th term is 32. Determine the 36th term.  

CBSE XI Science Maths Sequences and Series

6th sum

CBSE XI Science Maths Sequences and Series

8th sum

CBSE XI Science Maths Sequences and Series

20th sum

CBSE XI Science Maths

7th sum

CBSE X Maths

a=10, d=10

ICSE X Maths Arithmetic Progression

Find the 10th term from the end of the A.P 4, 9, 14........., 254

ICSE X Maths Arithmetic Progression

If 8times of the 8th term of an AP is equal to 13 times of the 13th term, show that 21st term of an AP is zero.

ICSE X Maths

The sum of 5th and the 7th term of an A.P. is 4 and the 10th term is 46 . Find the A.P.

CBSE XI Science Maths Sequences and Series

16 2nd part

CBSE XI Science Maths Sequences and Series

4 i part

CBSE XI Science Maths

18th sum

JEE Plances JEE (Main) Maths

Solve Q no. 1, 2, 3, 4, 5, 6.

CBSE X Maths Arithmetic Progression

Find the number of terms in each of the following APs: (i) 7,13,19........,205 (ii) 18,15 1/2,13,.......,-47    

CBSE X Maths Arithmetic Progression

find the 20th term of AP whose third term is 7 and 7th term exeeds three times the 3rd term by 2 .also find the n th term.  

CBSE X Maths

The fourth term of A.P is twice is 18th term if the 6th term -8 then find the sum of it's first 20 terms  

ICSE X Maths

Find the A.P.whose nth terms 7-3n. also find the 20th term  Find the 8th term of the ap whose first term is 7 and common differenceis 3  

JEE Plances JEE (Main) Maths

A.P.  Qno.1

CBSE X Maths

If an A. P.  consists of n terms with first term a and n ^th term l show that the sum of the m^th term from the beginning and the m^th term from the end is (a+l).

CBSE X Maths

If an A.P. consists that a1+a2+a3=27,and =405 find a1,a2,a3

ICSE X Maths

Please tell me 

ICSE X Maths Arithmetic Progression

THE 6TH TERM OF AN A.P. IS 16TH AND THE 14TH TERM IS 32. DETERMINE THE 36TH TERM  

ICSE VIII Maths

the sum of three consecutive odd numbers is 57 .find the number

CBSE X Maths Arithmetic Progression

3 अंको वाली कितनी संख्या 7से विभाजित है

CBSE XI Commerce Maths

the first negative term of the sequence 14,11,8...............   chapter A.P.

ICSE X Maths

Topic : GP Q5. The sum of 3 numbers is 63. If 2,7,21 are subtracted from these numbers in that order they form an AP. Find the numbers.

JEE Plances JEE (Main) Maths

Solve;

CBSE X Maths Arithmetic Progression

find the sum of first 15 term of an A.P whose nth term is 3-2n?

CBSE XI Commerce Maths

find the three numbers in an arithmetic progression such that their sum is 27 and the third number is double the first number

CBSE X Maths

For what value of k ,k+2,4k-6,3k-2 are three consecutive trems of an ap

CBSE X Maths Arithmetic Progression

The sum of three no.s in an AP=-6 andtheir product is 64, find the no.s

ICSE X Maths Arithmetic Progression

Is 5,5,5,5,.... in A.P. form ?

ICSE X Maths

The number of bacteria in a certain culture double every hour. If there were 30 bacteria  present in the culture originally, how many bacteria will be present at the end of 2nd hour, 4th hour and nth hour

CBSE X Maths Arithmetic Progression

Check whether 301 in the sequence 5, 11, 17, 23, . . . ? 

CBSE X Maths

what is the common differnce of an ap in which a27-a7=84?

CBSE XI Science Maths Sequences and Series

Could you please give the solution to problem number 20.  

ICSE X Maths Arithmetic Progression

What is the sum of n terms of a series whose mth term is 2^m + 2m?

CBSE XII Science Maths

Find the sum of 500 arithmetic means between 3/2 and 7/2

CBSE XII Science Maths

If the sum of first three terms of an ap is a and sum of last three terms is b. If n be the no. Of terms then show that the sum of all terms is given by Sn=n(a+b)/6

CBSE XII Science Maths

If alpha and beta are two arithmetic means between a and b then show that alpha + beta = a + b.

CBSE XII Science Maths

If a2 , b2 , c2 are in ap prove that a/b+c , b/c+a , c/a+b are also in ap and 1/b+c , 1/c+a, 1/a+b are also in ap

CBSE XI Science Maths

If a, b, c are in arithmetic progression then prove that ( a+2b-c)(2b+c-a)(c+a-b) = 4abc.

CBSE XI Science Maths

There are n arithmetic means between 3 and 17. The ratio of last mean to the first mean is 3:1. Find the value of n.

CBSE XII Science Maths

Ram invests a total sum of 2000 rupees on government bonds in 4 years. If these investments are in A.P and the sum of squares of the investments is 1200000. Find the investment made by ram in each year respectively. It is also known that he always invest more than the previous year.

CBSE XI Science Maths

Two men X and Y started working for a certain company at similar jobs on January 1, 1950. X asked for an initial salary of Rs. 300 with an annual increment of Rs. 30. Y asked for an initial salary of Rs. 200 with a rise of Rs. 15 every six months. Assume that the arrangements remained unaltered till December 31, 1959. Salary is paid on the last day of the month. What is the total amount paid to them as salary during the period?

CBSE XII Commerce Maths

if s1, s2, s3........sm are the sum of n terms of m AP's whose first terms are 1, 2.3..........m and common differences are 1, 3,5..........(2m-1), then show that s1+s2+s3........sm= mn/2 (mn+1)

CBSE XI Science Maths

The digits of a three digit positive integer are in .A.P. and their sum is 15. The number obatined by reversing the figits is 594 less than original number. Find the number

CBSE XI Science Maths

There are n arithmetic means between 3 and 54 such that 8th mean is to the      (n-2)th mean = 3:5. Find n

CBSE XII Science Maths

If p,q,r are in arithmetic progression then show that p2(q+r)+ q2(r+p)+ r2(p+q )=2/9(p+q+r)3

CBSE XI Science Maths

The measures of the interior angles in a polygon are consecutive integers. The smallest angle measures 136 degrees. How many sides does this polygon have?

CBSE XI Science Maths

Q. Calculate the sum of the squares of first 100 terms of an AP , given that the sum of the first 100 terms is -1. and that the sum of 2nd , 4th, ......., 100th term is 1.

CBSE X Maths

If 7times of 7th term is equal to 11times of 11th terl,then what is the 18th term of that A.P?  

CBSE XI Science Maths

What is the answer for this question?

CBSE X Maths

find three numbers in AP is 15 and product  is 80

CBSE X Maths

Page 231 If the pth term of an AP is q and the qth term is p, then prove that its nth term is (p+1-n) and hence prove that its(p+q)th term is zero.

CBSE X Maths

Page 255 Question 7 The sum of p terms of an AP is q and sum of q terms is p. Then prove that the sum of (p+q) terms is –(p+q)

CBSE X Maths

Page 255 Question 10 If the sum of n terms of an AP is 3n2+3n, find the rth term of the series.

CBSE X Maths Arithmetic Progression

In an AP SUM of 3 consecutive terms is 27 and their product is 504 find the terms

JEE Plances JEE (Main) Maths

Sir pls solve this question.

CBSE X Maths

Evaluate 1-2-3+2-3-4+........+ up to 100 terms.

CBSE X Maths

Page 255 Question 23 The sums of n terms of three arithmetic progressions are S1, S2, and S3.The first term of each is unity and the common differences are 1,2 and 3 respectively. Prove that S1+S3=2S2

CBSE X Maths

Page 255 Question 22 The ratio of the sum of n terms of two AP is (7n+1) : (4n+27). Find the ratio of their nth terms

CBSE XI Commerce Maths

OlPlea solve

CBSE X Maths Arithmetic Progression

If nth term of an AP is (2n+1), what is the sum of its first three terms?

JEE Main Maths

Sir pls solve the following.

ICSE X Maths

13 th ter of an AP is 4 times its 3rd term .if 5 th term is 16 then find sum of its first ten terms   the sum of first 7 term of Ap is 182 if its 4 th and 17 th term are in ratio1:5,find AP

JEE Main Maths Sequences and Series

Sir pls solve the following.

CBSE X Maths Arithmetic Progression

if the ratio between 5th and the 10th terms of an AP is 1:2 and 12th term is 36,find that AP

ICSE VII Maths

find 3 consecutive odd numbers such that 3 times the least number is added to double the greatest number and the result is 333    

CBSE X Maths Arithmetic Progression

Sum of n terms of an AP is 3n square + 5n.Find the AP and hence find its 15th term.

CBSE X Maths

  If the ratio between 5th and 10th terms of an AP is 1:2 and 12 the term is 36.find the AP

CBSE X Maths

Split 207 into three parts such that this are in an AP and product of two smaller part is 4623

CBSE X Maths

Find the sum of all natural numbers from 1 to 1000 which are neither divisible 2 nor by 5.

CBSE X Maths

if a times the ninth term of an ap equals 12 times the twelth term show that 21st term is zero

CBSE X Maths

The difference between sum of first 20 terms and sum of first 12 terms of an AP is 1420.if 7th term of the AP is 73,find it's 27 th term

ICSE X Maths

The angles of a polygon are in A.P. with common difference 5º. If the smallest angle is 120º, find the number of sides of the polygon.

ICSE XI Science Maths

The sum of the first six terms oa an AP is 42.the ratio fo the 10th term to 30th term of an ap is 1/3.calculate the first term and the 13th term.

CBSE X Maths

if 1/a+b, 1/c+a, 1/a+d are in ap prove that a^2, b^2, c^2 are also in ap  

CBSE X Maths

In AP a is equal to 8 tn is equal to 33 sn is equal to 123 and then find d and n

CBSE XI Science Maths Sequences and Series

14th sum.plz

CBSE XI Science Maths Sequences and Series

26th sum

CBSE XI Science Maths Sequences and Series

23rd sum  

CBSE XI Science Maths

27th sum

CBSE X Maths

Which term of an AP  5,2,-1.... will be-22

CBSE X Maths

Find the value of X for AP 1+6+11+16+...+X=148

ICSE X Maths Arithmetic Progression

Kanika was given her pocket money on 1st Jan 2016 .she puts ₹1 on day 1,₹ 2on day 2 and ₹ 3 on day 3 and continued on doing so till the end of the month ,from this money into her piggy bank. She also spent ₹204 of her pocket money and was found that at end of the month she still has ₹100 with her . How much money  was her pocket money for the month?

ICSE X Maths

A thief after commiting theft runs at a uniform speed of 50m/min. After 2min à policeman runs to catch him . He runs 60 m in the first minute and increases his speed by 5 m/ min every success given min . After how many mind the policeman will catch the thief ?  

CBSE X Maths Arithmetic Progression

Find the sum of n terms of the sequence 5+55+555....  

ICSE X Maths Arithmetic Progression

If the sum of first 20 terms of an A.P. is same as the sum of its first 28 terms,find the sum of its 48 terms

ICSE X Maths Arithmetic Progression

If the sum of first m terms is n,and sum of first n terms is m,show that sum of first (m+n) terms is equal to -(m+n)  

CBSE XI Science Maths Sequences and Series

7th sum

CBSE X Maths

There are two arithmetic progression, A1 and A2, whose first terms are 3 and 5 respectively and whose common difference are 6 and 8 respectively. How many terms of the series are in common in the first n terms of A1 and A2, if the sum of the nth terms of A1 and A2 is equal to 6,000?

ICSE X Maths

How do we find 6 arithmetic means between 15 and -15 ?

ICSE X Maths

PLEASE SOLVE IT  

ICSE X Maths

If a, b and c are in A.P., a, x, b are in G.P. whereas b, y and c are also in G.P. Show that x2, b2, y2are in A.P.

CBSE X Maths

 in an AP the sum of first 10 terms is -150 and the sum of its next 10 terms is -550 find the AP

ICSE X Maths

The sum of three consecutive terms of AP is 25 and sum of their square is 165. find the terms

ICSE X Maths Arithmetic Progression

Divide 96 into four parts which are in AP and the ratio between product of their mean to product of their exterme is 15:7

CBSE X Maths

In an A.P., if S6 + S7 = 167 and S10 = 235, then find the A.P., where Sn denotes the sum of its first n terms.  

CBSE X Maths

Two cars start together in the same direction from the same place. The first goes with uniform speed of 10km/hr. The second goes at a speed of 8km/hr in the first hour and increases its speed by 1/2 km/hr each succeeding hours. After how many hours will the second car overtake the first, if both cars go non stop?

CBSE X Maths

  If the roots of equation x3−12x2+39x−28=0 are in A.P, then common difference will be

CBSE X Maths

This ques is from chap. A.P. Please give me ans. Fast its an urgunt

CBSE X Maths

In an AP of which ‘a’ is the Ist term, if the sum of the Ist p terms is equal to zero , show that the sum of the next q terms is -a (p+ q) q/(p-1).

CBSE X Maths Arithmetic Progression

If the sum of m terms of an AP is equal to the sum of either the next n terms or the next p terms of the same AP prove that (m+ n) [(1/m)-(1/p)] = (m + p) [(1/m) -(1/n)] .

CBSE X Maths Arithmetic Progression

The fourth power of the common difference of an arithmetic progression with integer entries added to the product of any four consecutive terms of it . Prove that the resulting sum is the square of an integer

CBSE X Maths

Let a1 , a2 , ........... , an , an+1 , ....... be an A.P. Let  S1 = a1 + a2 + a3 + ............. + an  S2 = an+1 + an+2 + ...............+ a2n  S3 = a2n+1 + a2n+2 + .............+ a3n ................................................ ................................................ Prove that the sequence S1 , S2 , S3 , ........ is an arithmetic progression whose common difference is n2 times the common difference of the given progression

CBSE X Maths

A thief away from a police station with a uniform speed 100m/min. After 1 min a policeman runs behind the thief to catch him. He goes at a speed of 100m/min in 1st min and increases the speed 10m/min on each succeeding min. After how many minutes the policeman catches the thief. 

CBSE X Maths

If there be m AP’s beginning with unity whose common difference is 1, 2, 3 .... m . Show that the sum of their nth terms is (m/2) (mn -m+ n + 1).

CBSE X Maths Arithmetic Progression

in an AP of 50terms the sum of first 10 term is 210 and sum of last 15 term is 2565 find AP  

CBSE X Maths

the sum of first n terms of an AP  . if its mth term is 168,find the value of m.also find the 20th term of the AP.

CBSE X Maths

How many terms of an AP 9,17,25.... must be taken to give a sum of 636?

CBSE X Maths

sir/mam please will you provide me the answer of this query

CBSE X Maths Arithmetic Progression

If we are asked to find out number of terms between 4 to 200 divisible by 4 .then whether we will include 4 and 200 in the list of AP formed or not?  

CBSE X Maths

the mth term of an A.P is n n nth term is m, find the rth term of the A.P  

CBSE X Maths

If the sum of the first 𝑚 terms of an AP is 𝑛 and the sum of first 𝑛 terms is 𝑚. Then, show that the sum of its first (𝑚 + 𝑛) terms is −(𝑚 + 𝑛).

CBSE X Maths

If the sum of the first 𝑚 terms of an AP is 𝑛 and the sum of first 𝑛 terms is 𝑚. Then, show that the sum of its first (𝑚 + 𝑛) terms is −(𝑚 + 𝑛).

CBSE X Maths

. If the ratio of sum of 𝑚 terms of an AP to sum of 𝑛 terms of the same AP is 𝑚2 / 𝑛 2 , then prove that the ratio of its 𝑚th and 𝑛th terms is 2𝑚 − 1 ∶ 2𝑛 − 1.

ICSE X Maths

If the sum of first m terms of A P is n and sum of first n terms of the same A P is m.  Show that sum of first (m+n) terms is -(m+n).   Sent fast. 

JEE Main Maths

If a,b,c are in A.P then the roots of the equation ax^2+2bx+c=0 are 

CBSE X Maths

Find the 20th term of ap -5,-5/2,0,5/2

CBSE X Maths

The sum of the first three numbers in an arithmetic progression is 18. If the product of the first and the third term is 5 times the common difference, find the three numbers.

CBSE X Maths

Five terms are in AP their sum is 15 the ratio of product of their extremes to the product of second and fourth terms is 55:7 find the AP    

Maharashtra X Maths

Find four consecutive terms in an A.p such that the sum of second and third terms is 18 and the product of the first and fourth term is 45

ICSE X Maths

The sum of first 7 terms of an AP is 49 and that of first 17 terms of it is 289 . Find the sum of first n terms .

CBSE X Maths Arithmetic Progression

If the mth term of an ap is 1/n and nth term of an ap is 1/m then find the value of (mn)th

ICSE VI Maths

How many 4digit numbers r there between 999 &3000  How many 4digit numbers r there between 99 and 3000 

CBSE XI Science Maths Sequences and Series

1. Sum of 10 A.M's between 3,10 is..? 2.if (4x+4)/3, 2x+2,3x+3 are in G.P then 4th Term is.. 3.which term of 2-1/root2 +1/4 so on .. is 1/32. 4.sum to n terms of 3.5+4.7+5.9+ so on..

ICSE X Maths Arithmetic Progression

Ap gp

ICSE X Maths Arithmetic Progression

Please solve this question step by step according to ICSE board.   *Find the 10th term from the end of the A. P.  4,9,14,.................254

CBSE X Maths Arithmetic Progression

Which term of an AP 19, 90/5, 87/5... Is first negative term 

CBSE X Maths Arithmetic Progression

The 19th term of an A.P is equal to three times it's sixth term.if it's 9th term is 19 find the A.P. ?

ICSE X Maths Arithmetic Progression

Insert six A.M.s between 15 and -15.

CBSE X Maths Arithmetic Progression

if P times the pth term of an A.p is equal to q times the 9th term, show that its (p+q)th term is zero.

ICSE X Maths Arithmetic Progression

Find five numbers in A.P whose sum is 12 and the ratio of the first to the last terms is 2:3.

ICSE X Maths Arithmetic Progression

If the n th term of the A.P .58,60,63........  is equal to the n th term of the A.P -2,5,12.......,find the value on n.

ICSE X Maths Arithmetic Progression

Can 2n² -7 be the n th term of an A.P.?Explain.

CBSE X Maths Arithmetic Progression

If (m+1)th term of an A. P is twice the (n+1)th term, prove that (3m+1)th term is twice the (m+n+1)th term. 

CBSE X Maths Arithmetic Progression

Which term of the AP :121,117,113,...., Is its first negative term ?

CBSE X Maths Arithmetic Progression

the first and the last term of an AP are -4 and 146 and the sum of Ap 7171. find the number of terms in AP and common diference  

CBSE X Maths Arithmetic Progression

how many terms of the AP  9,17,25...... must be taken to give a sum of 636

CBSE X Maths Arithmetic Progression

If the number in AP are such that their sum is 50 and the greatest number is 4 times the list then the number are

CBSE X Maths Arithmetic Progression

In an ap first term is 2,the sum of first 5terms is1/4 of the sum of next 5terms .find sum of first 20terms

ICSE X Maths Arithmetic Progression

How to find nth term of an arithematic sequences

CBSE X Maths Arithmetic Progression

A sum of RS 700 is to be used to give seven cash prizes to students of school for their overall academic performance. If each prize is RS 20 less then its preceding prize, find the value of each of the prizes.   From A.P.

CBSE X Maths Arithmetic Progression

Find the fourth term from the end in an A.P. -11,-8,-5,...,49

JEE Main Maths Sequences and Series

The interior angles of a polygon are in A.P. if the smallest angle be 120 degree and the common difference be 5 degree then the number of sides of the polygon is?

CBSE XI Science Maths Sequences and Series

Sequence and Series:Plz solve,Ans:6

JEE Main Maths Sequences and Series

A man saves RS. 200 in each of the first 3 months of his service. In each of the subsequent month his saving increases by RS. 40 more than the saving of immediately previous months. His total saving from the start of service will be RS. 11040 after how many months?

CBSE X Maths Arithmetic Progression

The sum of three number in A.P. is 27. The product of first and last is 56. Find the number?

JEE Main Maths Sequences and Series

Please Solve it Step by Step

CBSE X Maths Arithmetic Progression

How to find that 200 is a difference  between any 2 terms in a arithmetic sequence 10,16,22...

JEE Main Maths Sequences and Series

Please give me solution of this question. Thanks for your love and support 

CBSE X Maths Arithmetic Progression

What is the common difference of the arithmetic sequence 17,15,13.......

CBSE X Maths Arithmetic Progression

An AP is -9 -6 -3 -... How many terms of AP are to be added to get the sum 66

CBSE X Maths Arithmetic Progression

Find the sum of all even numbers from 1to350 (arithmatic progreession)

CBSE X Maths Arithmetic Progression

Find the first term if k+2, 4k-6 and 3k-2 are the three consecutive terms of an A.P

CBSE X Maths Arithmetic Progression

if  denotes the sum of first n terms of an AP, then prove that .

CBSE X Maths Arithmetic Progression

In an arithmetic sequence of common difference 3,out of first 25terms sum of first 13 terms is equal to sum of next 12 terms what is the difference between first term and 14 th term? What is the difference between 12th and 25th term?

CBSE X Maths Arithmetic Progression

Which term of the sequence 12+18i, 11+6i... Is purely real purely imagery  

CBSE X Maths Arithmetic Progression

What is the last 3 digit number of the following Arithematic progression AP- 99,108,117

CBSE X Maths Arithmetic Progression

If the sum of n terms of an AP is 2n 2 +5n, then its nth term is

CBSE X Maths Arithmetic Progression

formula of An  

CBSE X Maths Arithmetic Progression

The first term of A.P. is 5 and the last term is 45.and the sum of all its terms is 400.Find the number of the terms and the common difference of the A.P.

CBSE X

In text book (x - MSB) the answer foor problem " Find the sum of all even numbers from 1 to 350" answer is given as 30450. This answer is arrived only if we exclude number 350. Why should we exclude 350 when it is an even number? Pl. answer.

CBSE X Maths Arithmetic Progression

if the m term of an A.P is 1/n and n term of an A.P is 1/m prove that sum of the (mn) first term is 1/2(mn+1)      

CBSE X Maths Arithmetic Progression

Find the (p+q)th term of an A.P given that pth term is q and qth term is p.

NEET NEET Physics

Pls answer this

CBSE X Maths

write the first four A.P of _ Sn=4n-3

CBSE XII Science Maths

The first and last terms of an A.P. are a and b. There are altogether (2n + 1) terms. A new series is formed by multiplying each of the first 2n terms by the next term. Find the sum of new series

ICSE X Maths Arithmetic Progression

if (k-3),(2k+1) and (4k+3) are three consecutive terms of an arthmetic progression,find the value of k

CBSE X Maths Arithmetic Progression

Split 207 into 3 pieces such that these are in ap and the product of smaller parts is 4623

CBSE X Maths Arithmetic Progression

If the sum of first four terms of an AP is 40 and that first 14 terms is 280 .Find the sum of its first n terms   

CBSE X Maths Arithmetic Progression

subba rao started work in1995 at annual salary of ₹5000 and received an increment of ₹200 each year .in which year did his income reach ₹7000

CBSE X Maths Arithmetic Progression

The angles of a quadrilateral are in A.P, and the common difference is 10°. Find the angles. PLEASE TELL ME WHY MY ANSWER IS NOT CORRECT!!!

CBSE X Maths Arithmetic Progression

The angles of a quand are in A.P with d=10°. Find the angles! (Solution is attached)

CBSE X Maths Arithmetic Progression

There is an A.P whose first and last terms are 3 and 51.Ravi arranged all 11 terms between them.can u find it??

Maharashtra X Maths

If tn=3n-4 then A.P is ____

CBSE X Maths Arithmetic Progression

Find the sum of natural numbers lying between 1 to 1000 which are divisible by 3.

CBSE X Maths Arithmetic Progression

If m times the 'm'th term of an arithmetic progression is equal to n times its 'n'th term and m is  not equal to n, show that the (m+n)th term of the AP is zero

CBSE X Maths Arithmetic Progression

the sum of the first three numbers in an Arithmetic progression is 18. if the product of the first and the third term is 5 times the commomn difference,  find the three numbers 

CBSE XII Science Maths

If the n terms a1, a2, . . . , an are in arithmetic progression with increment r, then the difference between the mean of their squares and the square of their mean is

ICSE X Maths Arithmetic Progression

a part

ICSE X Maths Arithmetic Progression

What is the commen difference if the sum of first 10 terms of an arithmatic sequance is 320and the sum of first to 15 terms is 705

CBSE X Maths Arithmetic Progression

If the sum of mterms of an ap is the same as the sum of n terms , show that the sum of it's (m+n) terms is zero.  

CBSE X Maths Arithmetic Progression

Divide 56 into 4 parts which are in AP such that the ratio of product of extreme to the product of the means 5 : 6

CBSE X Maths Arithmetic Progression

Find three consecutive terms in A.P whose sum is 9 and the product of their cubes is 3375 

ICSE X Maths

Please solve this

CBSE X Maths Arithmetic Progression

if in an AP.T3=12, T6=33 then find S10  

ICSE X Maths Arithmetic Progression

determine the sum of all natural numbers between 2 and 100 which are exactly divisible by 3

ICSE X Maths Arithmetic Progression

determine which term of the AP 121,117,113 ....... is the first negative term

CBSE X Maths Arithmetic Progression

A sum of$ 5000 is invested a 6 percent per annum simple interest. Calculate the interest at the end of year and I show that they form an AP. Also,find the interest at the end of 25th year.

CBSE X Maths Arithmetic Progression

A man saves Rs.320 in January, Rs.360 in February, Rs.400 in March and so on. What will be his savings in the month of November in the same year??  

CBSE IX Maths

Determine the AP whose 3rd term is 5and 7th term9?

CBSE X Maths Arithmetic Progression

The 6th term of an Arithmetic progression is -10 and its 10th term is -26. Determine 15th term of an Arithmetic progression  

CBSE X Maths Arithmetic Progression

Is 200 any term of the sequence 3,7,11,15,........

CBSE X Maths Arithmetic Progression

The sum of first five terms in AP is 55and sum of first 10 terms in AP is 235.find the sum of first 20 terms. 

CBSE X Maths Arithmetic Progression

Hello, Experts Please help me with the correct answers below in the attachment. Chapter: Arithmetic Progression Class: 10 Board: CBSE

CBSE X Maths Arithmetic Progression

1.5¯+2.6¯+3.7¯

CBSE X Maths Arithmetic Progression

Hello Expert!!! kindly help me out with the following question! ASAP. About the attachment Chapter: Arithmetic Progression Board: CBSE Class: 10

CBSE X Maths Arithmetic Progression

In an A.P sum of the first 2 term is 5 and sum of the last 2 term is 129. Then find the sequence 

ICSE X Maths Arithmetic Progression

The algebraic expression of an AP is 5n+2. Find the first term and common difference of the AP

CBSE X Maths Arithmetic Progression

Find how many integers between 200 and 500 are divisible by 8

CBSE X Maths Arithmetic Progression

The sum of n term of an ap is 4n^2-3n.find 20th term of this ap

CBSE X Maths Arithmetic Progression

Determine the AP whose 5th term is 19 and the difference of the 8th term from the 13th term is 20.

CBSE X Maths Arithmetic Progression

Find the sum of the first 17 term of an AP whose 4th term = -15 and 9th term = -30.

CBSE X Maths Arithmetic Progression

Determine the AP whose fifth term is 19 and the difference of eighth term from the thirteenth term is 20.

ICSE X Maths Arithmetic Progression

How many terms of the A P 17,15,13,11..... must be added to get the sum 72?

ICSE X Maths Arithmetic Progression

Find the sum of all even numbers between 10 and 100.

CBSE X Maths Arithmetic Progression

How to find a number as a anthemic progression number?  

CBSE X Maths Arithmetic Progression

Q- The angles of a triangle are in AP . the greatest angle is twice the least . Find all angles of a triangle.

CBSE IX Maths

how many terms are to be added to (-8) +(-6) +(-4)... to make a sum of 52

CBSE X Maths Arithmetic Progression

If an =6n+5. then , an+1=?

CBSE X Maths Arithmetic Progression

Question 1) Find the sum of first 40 positive integers divisible by 6. Question 2) Find the sum of n terms of the series (4-1/n)+4-2/n)+(4-3/n)+........ Question 3) If the sum of the first n terms of an AP is 1/2(3n²+7n), then find its nth term .Hence write the 20 th term .

CBSE X Maths Arithmetic Progression

Question 1) Find the sum of the first 24 terms of the list of numbers whose nth term is given (3+2n). Question 2) For what value of n , are the nth terms of the two AP 63,65,67 and 3,10,17........ are equal ? Question 3) The pth term of an AP is a and qth term is b . Prove that the sum of its (p+q) terms = p+q/2{ a+ b+ (a-b/p-q)}.

CBSE X Maths Arithmetic Progression

Sum of first m terms of an A.P. is 0. If a be the first term of the A.P., then the sum of next n terms is : (A) 1 ( ) − − + m a m n m (B) 1 ( ) − − + m a m n n (C) 1 ( ) − − + n a m n n (D) 1 ( ) − − + n a m n m

CBSE X Maths Arithmetic Progression

Plz solve this question

CBSE X Maths Arithmetic Progression

Sir/Madam Plss solve it Sum of all integers between 100 and 500 which are divisible by 17

CBSE X Maths Arithmetic Progression

sn denotes the sum of first n terms of an AP, whose common difference is d, then   Sn-2Sn-1 + Sn-2 (n > 2) is equal to   A) 2d B) -d C) d D) None of these  Explain solution please  

ICSE X Maths Arithmetic Progression

3(b)

ICSE X Maths Arithmetic Progression

10the term of the sequence tn=2n-5

CBSE X Maths Arithmetic Progression

what are Ap

ICSE X Maths Arithmetic Progression

The sum of n natural number is 5n2 - 4n, find its 8th term

CBSE X Maths Arithmetic Progression

The sequence root3, root 6, root 9, root 12, form an arithmetic progression? Give reason.

ICSE X Maths Arithmetic Progression

Determine the A.P., whose fifth term is 16 and the difference of the eighth term from the thirteenth term is 20.

CBSE X Maths

Prove that in any AP am+n +am-n =2am

CBSE X Maths

if s7=36 and s8=25 then a8=

ICSE X Maths Arithmetic Progression

  The algebraic expression of a sequence is 81-8n. What is 10th term What is the sum of 1st 10 terms whether the sum of any number of terms of the sequence will be 400? Why?

CBSE X Maths Arithmetic Progression

0.6,1.7,2.8........to100term

CBSE X Maths

In an arithmetic sequence: S20 = 500. a20 = 44 Find the first term a 1​

CBSE X Maths Arithmetic Progression

if 2x, x+10, 3x+2 are the consecutive terms of ap for the value x

CBSE XI Science Maths Sequences and Series

1/3 ,1/5, 1/7, 1/9 verify whether the following sequence are hp

CBSE X Maths Arithmetic Progression

Show that (a-b)², (a²+b²), (a+b)² are in arithmetic progression.

CBSE X Maths Arithmetic Progression

find the nth term of √2;2√2;3√2

CBSE X Maths Arithmetic Progression

EFor what value of k will k + 9, 2k – 1 and 2k + 7 are the consecutive terms of an A.P?

CBSE X Maths Arithmetic Progression

The 8th term of APThe 8th term of AP is 0. Prove that its 38 term is triple of its 18th term  

CBSE X Maths Arithmetic Progression

plzz solve all these

ICSE X Maths Arithmetic Progression

Find the number of terms: 5 2 -1 ......-49

CBSE IX Maths

What is the sum of first fifteen multipules of 4

ICSE X Maths Arithmetic Progression

FIND THE SUM OF ALL  ODD NO. LESS THAT 50 AND FIRST 12 NATURAL NUMBERS EACH OF WHICH IS A MULTIPAL OF 7  

CBSE X Maths Arithmetic Progression

If the numbers x-2, 4x-1 and 5x-2 are in AP, find the value of x

CBSE XI Science Maths Sequences and Series

find the number of terms comon to two A.P.'s : 3,7,11,.....,407 and 2,9,16,....,709.  

CBSE X Maths Arithmetic Progression

The sum of the first 7 terms of an A.P is 182 if its 4th ans 17th terms are in ratio 1:5 find the Ap

ICSE X Maths Arithmetic Progression

mrs gupta replace her total lone of 1,18000 by paying instalments every month. if the instalment for first month is 1000 and it increase by 100 every month ? what amount of lone she still has to pay after the 30 th instalment

CBSE XI Science Maths Sequences and Series

if a²,b²,c² are in ap then prove that .. 1/b+c ,1/c+a,1/a+b

CBSE X Maths Arithmetic Progression

A group of men decided to do a job in 8 days. But since 10 men dropped out after 1st day, 2 more men dropped out after 2nd day, 2 more men dropped out after 3rd day and so on, the job got completed at the end of 12th day. How many men were there at the beginning?   55     56     57     58

ICSE X Maths Arithmetic Progression

The sum of the first six terms of an A.P is 42. The ration of the 10th and 30th term is 1:3. Find the first and 13th term.

CBSE XI Science Maths Sequences and Series

please solve number 7

JEE Main Maths Sequences and Series

it p, q, and r are in AP as well as GP , then which one of the following is correct (a) p=q≠r (b) p≠q≠r (c) p≠q=r (d) p=q=r

CBSE X Maths

arthematic progressions

CBSE X Maths Arithmetic Progression

if -3,a,2 are the three consecutive terns of an ap then find a

CBSE X Maths Arithmetic Progression

an-ak for the AP a,a+d,a+2d

CBSE IX Maths Number System

what is Arithmetic Progression?

JEE Main Maths Sequences and Series

complete the series 10 , 2 , -6 ,???

CBSE X Maths Arithmetic Progression

how many terms of an AP 1,4,7...must be taken to give a sum of 51?

CBSE X Maths Arithmetic Progression

Arithmetic progession

CBSE X Maths Arithmetic Progression

n/2 [2+2n]

JEE Main Maths Sequences and Series

AP the sum of integers from 1 to 100 that are devisible by 2 or 5 is

CBSE X Maths Arithmetic Progression

The students of a school decided to beautify the school on the Annual Day by fixing colourful flags on the straight passage of the school. They have 27 flags to be fixed at intervals of every 2 m. The flags are stored at the position of the middle most flag. Ruchi was given the responsibility of placing the flags. Ruchi kept her books where the flags were stored. She could carry only one flag at a time. How much distance did she cover in completing this job and returning back to collect her books? What is the maximum distance she travelled carrying a flag

CBSE X Maths Arithmetic Progression

maths doubt

CBSE X Maths Arithmetic Progression

If the sum of first m terms of an A.P. is n and the sum of first n terms is m, then show that the sum of its first (m + n) terms is - (m + n).

CBSE X Maths Arithmetic Progression

the sum of fourth and eight terms of an A.P is 54 and their product is 665. find the sum of the first thirty terms of an A.P​