## 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

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This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. In this Question the first term, last term and the sum of the terms is given you have to find the ...

## 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

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This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. In this Question the first term, its nth term and the sum to first nth terms is given you have to ...

## 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?

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This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. In this Question the first and last term and common difference of the AP is given, You have to find the

## 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.

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In this Question the sum of first two n terms of the AP is given. You have to find the first term and common difference of the AP. This is the Important question based on Arithmetic progression Chapter of R.S ...

## 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.

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This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. In this Question the sum of first two terms of an AP is given. you have to find the sum of ...

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

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This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. Here the sum of n term of an AP is given. You have to find its given nth term. Question Number ...

## 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.

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ICSE & CBSE Board Question Based on Arithmetic Progression of RS Aggarwal Here the sum of the First n terms of AP is given You have to find (i)nth term (ii)first term (iii)common difference This is the Question Number 25 ...

## 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.

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In this Question the sum of first n terms of the AP is given. You have to find its nth term. This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board.

## 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.

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This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. Here the nth term of AP is given you have to find the (i) Sum of Given first n terms of ...

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

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ICSE & CBSE Board Question Based on Arithmetic Progression of RS Aggarwal Here you have to find the (i) Number of terms so that their sum is Given (ii)Explain the double answer This is the Question Number 22 Of Exercise ...