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CBSE X Maths

1. Vikram can row a boat 12 km downstream and return in 3 hours. If the speed of the stream is 3 km per hour, find the speed of the boat in still water. 2.the length of a rectangle is thrice as long as the side of square the  side of the square is 4 c m more than the width of the rectangle find their dimensions  if their areas are equal.          3.  The length of the hypotenuse of the right triangle exceeds the leant of the base by 2 cm    at the leant of the altitude by 1 c m find the leant of each side of the triangle.  4. A girl is twice as long as her sister .four years hence the product of their ages will be 160 years .find their present ages 5. The sum of the ages (in years) of a son and his father is 35 and the product of their ages is 150.find their ages. 6. The area of right angled triangle is 30sqcm.determine the base if the height exceeds the base by 7 cm 7.the time taken by at train to travel  a distance of 225 km was reduced by 20min when the avgas speed was increased by 20kmph calculate the original speed of the train. 8. Divide 64 into 2 parts such that their products is 100 9. The sum of two numbers is 26 and the sum of their reciprocals is 13/84.find the numbers. 10. Find the two successive even numbers the sum of whose square is 452 11. Find the 3 successive odd natural numbers, the sum of whose squares is 515 12. The sum of the square of two natural number is 410 the sum of the larger number and twice the smaller numbers 33.find the numbers 13. A number consists of two digits whose product is 36.if 45 is subtracted from the number its digits are reversed. Find the numbers 14.the hypotenuse of a right triangle is 2cm more than the base and 1cm more than twice the altitude.find the sides of the triangle 15 the hypotenuse of a right triangle is 6m more than twice the shorter side while the third side is 2m less than the hypotenuse. Find the sides of the triangle.

Asked by prakruthi1053 17th May 2018 9:45 PM
Answered by Expert

JEE Plances JEE (Main) Maths

: How many numbers can be formed with the digits 1, 2, 3, 4, 3, 2, 1 so that the odd digits always occupy the odd places?:    

Asked by puneetgarg2555 21st June 2018 6:59 AM
Answered by Expert

CBSE X Maths

prove that if x and y are odd positive integers , then x2+y2 is even not divisible by 4

Asked by jeetbhalerao12 30th August 2018 7:16 PM
Answered by Expert

CBSE X Maths Real Numbers

if a and b are two odd positive integers such that a>b . Prove that a+b/2 and a-b/2 will be odd and the will be even

Asked by vilas068 29th January 2019 2:05 PM
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CBSE VII Maths Integers

sum of 3 consecutive even numbers is 72. find the numbers.

Asked by vivek.shah 29th June 2019 7:41 AM
Answered by Expert

CBSE VIII Maths Rational Numbers

there are 8 odd numbers write on a ball and we sum three odd numbers to make30

Asked by anshul.yadav567 18th July 2019 11:17 PM
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CBSE X Maths Real Numbers

Every even numbers greater than 2 can be expressedas the sum of two prime numbers.Verify this statement for every even number upto16.

Asked by jpsreeshaan 28th July 2019 8:55 PM
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CBSE VII Maths Integers

Find the mean of first five even numbers Is zero is the even or odd number?

Asked by simmityagi950 16th September 2019 1:55 PM
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CBSE X Maths

 What is the Lcm of first five even numbers? Will  0 be included

Asked by Vishalgarg12345678 17th September 2019 12:29 PM
Answered by Expert

CBSE VIII Maths Linear Equations in One Variable

The sum of one-fifth of a number and one-sixth of its next consecutive even number is 4. What is the number ? Plz solve it stepwise and explain every move .

Asked by khushichopada94 9th October 2019 6:23 PM
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CBSE X Maths Real Numbers

If a and b are two odd positive integers such

Asked by rai.shreyash23 17th May 2020 1:40 PM
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Junior IV Maths

to be divisible by second number,what  smallest number should be added to the first ? Example  243    2

Asked by Laxman 18th August 2020 5:28 PM
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CBSE VI Maths Whole Numbers

  Please explain this  Q3. How many whole numbers between 10 and 22 are even? 10 11 7 5

Asked by kurellaroopa 5th September 2020 7:34 PM
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ICSE VI Maths Number System

even number which are

Asked by nayakujwalu 13th March 2021 7:36 PM
Answered by Expert

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