• 1

## In an AP the first term is 2, the last term is 29 and sum of the terms is 155, Find the common difference of the AP. Hint = S_n=n/2 (a+l) = n/2 (2+29) = 155 = n=10 T_a= a+(n-1)d = 2+9d = 29 = d=3

• 1

This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. In ...Read more

• 0

## In an AP the first term is 22, nth term is -11 and sum to first nth terms is 66. Find n and d , the common difference. Hint= a=22 , l= -11 and n/2 (a+l) = 66

• 0

This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. In ...Read more

• 0

## The first and last terms of an AP are 4 and 81 respectively. If the common difference is 7, How many terms are there in the AP and what is their sum?

• 0

This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. In ...Read more

• 0

## The sum of the first 9 terms of an AP is 81 and the sum of its first 20 term is 400. Find the first term and the common difference of the AP.

• 0

In this Question the sum of first two n terms of the AP is given. You have to find the ...Read more

• 0

## If the sum of first 7 terms of an AP is 49 and that of first 17 terms is 289, find the sum of first n terms.

• 0

This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. In ...Read more

• 0

## The sum of n term of an AP is [ 5n^2/ 2 + 3n/2 ]. Find its 20th term.

• 0

This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. Here ...Read more

• 1

## If the sum of the First n term of an AP is given by S_n=(3n^2-n), Find its (i)nth term (ii) first term (iii) common difference.

• 1

ICSE & CBSE Board Question Based on Arithmetic Progression of RS Aggarwal Here the sum of the First n terms ...Read more

• 0

## The sum of the first n terms of an AP is given by S_n=(2n^2+5n). Find the nth terms of the AP.

• 0

In this Question the sum of first n terms of the AP is given. You have to find its nth ...Read more

• -2
Newbie

## If the nth term of an AP is (4n+1) find the sum of the first 15 terms of the AP. Also find the sum of its n terms.

• -2

This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. Here ...Read more

• 0
Newbie

## Find the number of terms of the AP 18,15,12,……so that their sum is 45. Explain the double answer.

• 0

ICSE & CBSE Board Question Based on Arithmetic Progression of RS Aggarwal Here you have to find the (i) Number ...Read more