### JEE Plances JEE (Main) Maths Sequences and Series

## This is my question

**rbhatt16**6th October 2017 9:40 PM

### JEE Plances JEE (Main) Maths Sequences and Series

## Marked question

**rbhatt16**6th October 2017 9:46 PM

### CBSE XI Science Maths Sequences and Series

## Please give me the compete solution of the above.

**Balbir**9th October 2017 8:53 PM

### JEE Plances JEE (Main) Maths Sequences and Series

## ques 3 , 7 and 11

**rbhatt16**12th October 2017 5:20 PM

### JEE Plances JEE (Main) Maths Sequences and Series

## quez 4 , 7 and 11

**rbhatt16**12th October 2017 5:24 PM

### JEE Plances JEE (Main) Maths Sequences and Series

## Circled one ques

**rbhatt16**20th October 2017 10:02 AM

### Gujarat Old X Maths Arithmetic Progression

## Find the sum of first 30 positive integer multiple of 6

**Lav**2nd November 2017 11:17 PM

### CBSE XI Science Maths Complex Numbers and Quadratic Equations

## The question is attached above

**sudhanshubhushanroy**8th November 2017 1:04 PM

### 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.

**sudhanshubhushanroy**15th November 2017 8:34 PM

### 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.

**sudhanshubhushanroy**15th November 2017 8:37 PM

### JEE Plances ALL Class Maths Sequences and Series

## ques 28

**chandanbr6004**19th November 2017 5:32 PM

### CBSE XI Science Maths Permutations and Combinations

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

**sudhanshubhushanroy**10th December 2017 3:55 AM

### CBSE XI Science Maths Permutations and Combinations

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

**sudhanshubhushanroy**10th December 2017 4:00 AM

### ICSE X Maths Arithmetic Progression

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

**lovemaan5500**13th December 2017 6:13 PM

### ICSE X Maths Geometric Progression

## 26th sum

**lovemaan5500**13th December 2017 6:36 PM

### CBSE XI Science Maths Sequences and Series

## Please teach me the method to solve it:

**nitishkrnehu09**1st January 2018 4:02 AM

### ICSE X Maths Geometric Progression

## Show that the ration of sum of first n terms of a GP tto sum of terms from (n+1)th term to 2n th term is 1/r^n

**lovemaan5500**13th January 2018 3:07 PM

### 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.

**sucharitasahoo1**18th February 2018 7:38 PM

### 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)

**Ananya**19th February 2018 3:52 PM

### ICSE X Maths Arithmetic Progression

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

**Ananya**20th February 2018 1:12 PM

### 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 ]

**Diya**23rd February 2018 4:52 PM

### CBSE XII Science Maths Matrices

## Matrix

**Shivangi**11th April 2018 12:34 PM

### JEE Plances JEE (Main) Maths Sequences and Series

## 1.3.2^2+2.4.3^2+3.5.4^2+....=?

**jaychandran1967**7th June 2018 12:59 PM

### CBSE XI Science Maths Sequences and Series

## Plz solve

**lovemaan5500**15th June 2018 6:55 AM

### CBSE XI Science Maths Sequences and Series

## 6th sum

**lovemaan5500**15th June 2018 6:56 AM

### CBSE XI Science Maths Sequences and Series

## 8th sum

**lovemaan5500**15th June 2018 6:57 AM

### CBSE XI Science Maths Sequences and Series

## 20th sum

**lovemaan5500**15th June 2018 6:57 AM

### CBSE X Maths

## Please solve this question

**vikasg13.hardware**28th June 2018 6:14 AM

### CBSE X Maths

## Please solve this question

**vikasg13.hardware**30th June 2018 7:02 AM

### JEE Plances JEE (Main) Maths

## Please solve this

**niharikabojanapalli**5th July 2018 1:48 PM

### CBSE X Maths

## A long a road lies an odd number of stones placed at intervals of 10 m. These stones have to be assembled around the middle stone. A person can carry only one stone at a time. A man carried 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.

**rishijuneja2018**12th July 2018 5:54 PM

### CBSE X Maths

## Please answer this question

**vikasg13.hardware**12th July 2018 7:18 PM

### CBSE X Maths

## Please solve this question

**vikasg13.hardware**13th July 2018 7:34 PM

### ICSE X Maths Geometric Progression

## The sum of the first three terms of a G.p is 13/12 and their product is -1.Find the G.p?

**anandarajgowri**24th July 2018 8:36 PM

### JEE Plances JEE (Main) Maths

## please solve the encircled qn

**arup.isro**20th August 2018 11:05 PM

### JEE Plances JEE (Main) Maths

## please solve encircled qns

**arup.isro**20th August 2018 11:06 PM

### CBSE XI Science Maths Sequences and Series

## PLEASE HELP

**Apoorva**19th September 2018 10:04 AM

### CBSE X Maths Arithmetic Progression

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

**mdraishbst**19th October 2018 12:20 AM

### ICSE X Maths

## how to find the no. of months in banking

**yourdadisalive007**23rd November 2018 3:48 PM

### ICSE X Maths Geometric Progression

## in a gp find the tenth term and the sum of first seven terms of 1/2, 1/3, 2/9...

**sudeepguptaa**28th November 2018 3:12 PM

### CBSE XI Science Maths

## Q.1Prove that log 2<1

**Vidushi412**28th November 2018 7:15 PM

### CBSE XI Science Maths

## Q.1 Sum of series 1/1.3+1/2.5+1/3.7+1/4.9+.......till infinity. Q.2 Sum of series 5/1.2.3+7/3.4.5+9/5.6.7...till infinity

**Vidushi412**29th November 2018 9:35 AM

### CBSE XI Science Maths

## Q1. Sum of the series 1/1.2.3+5/3.4.5+9/5.6.7+.......till infinity Q2. Find value of Log(1+1/n)^n

**Vidushi412**30th November 2018 9:01 AM

### CBSE XI Commerce Maths

## If sk=1+2+3+....k÷k.Find the value of s1^2+s2^2+s3^2+....sk^2

**Saumil.sharma2**30th November 2018 11:00 PM

### CBSE XI Science Maths

## Please answer this question.

**dineshchem108**6th December 2018 10:39 PM

### CBSE XI Science Maths

## What is the answer for this question?

**dineshchem108**6th December 2018 10:43 PM

### JEE Plances JEE (Main) Maths

## Detailed solution for this.

**g_archanasharma**16th December 2018 6:18 PM

### Gujarat X Maths

## (-100)+(-98)+(-96)+......+92

**namupatel154**31st December 2018 7:38 AM

### JEE Main Maths Sequences and Series

## Sir pls solve the following.

**rsudipto**4th January 2019 7:14 PM

### CBSE XI Science Maths Sequences and Series.

## 7+11+15+19....UpTo 20 terms.

**Vipul009sharma**13th January 2019 12:14 AM

### Gujarat X Maths

## Find the sum of all three digit natural numbers divisible by 3

**kvdudhaiya**16th January 2019 2:08 PM

### CBSE XII Science Maths

## Question written in the image .

**ritikabehera01**18th February 2019 4:13 PM

### CBSE XI Science Maths Sequences and Series.

## Kindly answer.

**Kchawla94**3rd March 2019 9:20 PM

### CBSE X Maths

## The sum of the series 1+(1+3)+(1+3+5)+....+(1+3+5+....+15+17)

**samvandana**6th April 2019 11:39 AM

### JEE Main Maths

## Solve the question in photo showing each step clearly...

**Vidushi412**6th April 2019 9:51 PM

### CBSE XII Science Maths

## find the sum of the following series: S = 7/6 + 13/12 + 21/20 +31/30 +............. + 9901/9900 A) 9749/100 B) 9849/100 C) 9949/100 D) 9649/100

**Ranjeetgupta26068**12th May 2019 1:04 AM

### JEE Main Maths Sequences and Series

## Find the sum of n^th term of an series whose n^th term is given by n^2 (n^2-1).

**nikhilrathour52**29th May 2019 8:31 AM

### CBSE X Maths Arithmetic Progression

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

**rajani.vinod**6th July 2019 10:07 PM

### 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

**sujathahk**9th July 2019 8:38 PM

### 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.

**snehil1525**19th July 2019 12:36 AM

### JEE Main Maths Sequences and Series

## Sir solve this problem

**Surjitsp6u**6th August 2019 1:04 PM

### CBSE X Maths Arithmetic Progression

## Please answer

**sanyasiraomutta**23rd August 2019 5:58 PM

### 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?

**vinodar2003**25th August 2019 2:48 PM

### ICSE X Maths Arithmetic Progression

## If the ratio of the sum of two A.P is 5n+4:9n+6,then the ratio of the 18th term of those A.P is=?

**niharranjanbehara**8th September 2019 8:33 PM

### CBSE X Maths Arithmetic Progression

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

**yyash7796**8th September 2019 9:23 PM

### CBSE X Maths Arithmetic Progression

## If the sum of the first m term of an ap is n and the sum of the n term is m then find the sum of first m+n term

**dhamaka437**15th September 2019 3:31 PM

### 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)

**dhamaka437**16th September 2019 10:17 AM

### CBSE XI Science Maths Sequences and Series

## Sum of term: 1^3+3^3+5^3+7^3....

**vasaya.sohil99**24th September 2019 11:16 AM

### CBSE X Maths

## It is known that 81 / 1 square + 1/2 square + 1 / 3 square +.......n = π square/6 Then find the value of the series 1/ 1 square + 1 / 3 square + 1 / 5 square +.......n

**sujatha.vkthakur.21**29th September 2019 12:46 AM

### 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

**rushabhjain.av**2nd November 2019 10:10 PM

### CBSE XII Science Maths

## If Sn represents the sum to n terms of a GP whose first term & common ratio are a & r resp then find the value of S1 + S3 + S5 + ..... + S2n-1

**rushabhjain.avv**2nd November 2019 10:23 PM

### CBSE XI Science Maths Sequences and Series

## Sum the series to n terms 1.2.4+2.3.7+3.4.10+...

**fishtailfever**10th November 2019 12:38 PM

### 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

**pirnceprince75**24th November 2019 7:53 PM

### ICSE X Maths Geometric Progression

## please solve this question.

**Kanwaranita10**24th December 2019 6:44 PM

### ICSE X Maths Arithmetic Progression

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

**suneelmsc**25th April 2020 8:04 PM

### ICSE X Maths Arithmetic Progression

## if the sum of P terms of an arithmetic progression is equal to some of its Q terms. prove that the sum if(P+Q) terms of it is equal to zero

**suneelmsc**26th April 2020 7:49 PM

### CBSE X Maths Arithmetic Progression

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

**maulaali35**24th October 2020 8:00 AM

### JEE Main Maths Sequences and Series

## (x-1)/(x+1) + (1/2)(x^2-1)/(x+1)^2 + (1/3)(x^3-1)/(x+1)^3+ ... infinity

**apoorv.bhardwaj100**30th October 2022 8:06 AM

### JEE Main Maths Trigonometry

## applied mathematics

**pardeepsinghkarn412**17th January 2023 5:23 AM

### CBSE X Maths Arithmetic Progression

## if in an A.P. the sum of m terms equal to n and the sum of n terms is equal to m, then prove that the sum of (m+n) terms is -(m+n)

**ananya_monica**28th September 2023 7:07 PM

### CBSE XI Science Maths Sequences and Series

## 1•4•7+2•5•8+3•6•9+....... find sn

**prashantbharati75**29th September 2023 9:30 AM

### JEE Main Maths Sequences and Series

## 23. For which positive integers n is the ratio, sum k = 1 to n k ^ 2 an integer? sum k = 1 k (A) odd n only (B) even n only

**rareaditi4159**29th September 2023 8:25 PM

### ICSE X Maths Arithmetic Progression

## please tell the final answer

**shethdhanesh**2nd October 2023 12:34 PM

### CBSE X Maths Arithmetic Progression

## If the pth term of an AP is 1/q and qth term 1/P. Prove that the sum of the first pqth term is 1/2 (pq + 1).

**latayadav23**17th October 2023 8:39 PM

### CBSE X Maths Arithmetic Progression

## If the sum of first n,2n and 3n terms of an AP be S1 S2andS3 respectively then p3 S2-S1

**keshavsinghalhapur**15th January 2024 10:56 AM

### CBSE X Maths Arithmetic Progression

## If the sum of the first n terms of an AP be n and the sum of first n terms be m then sum of its (m+n) terms is -(m+n)

**keshavsinghalhapur**16th January 2024 8:46 PM

### CBSE XI Commerce Maths

## find the sum of 7,77,777,7777,up to nth term

**kbhavani936**19th February 2024 2:46 PM

### CBSE X Maths Arithmetic Progression

## find the sum of following 6+13+20+....+97

**deepikaselvam2009**20th February 2024 8:57 PM