## 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 ...Read more

## 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 ...Read more

## 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 ...Read more

## 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 ...Read more

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## 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 ...Read more

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## Find the number of terms of the AP 64,60,56,……so that their sum is 544. Explain the double answer.

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

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## Find the sum of all three-digit natural numbers which are divisible by 13.

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

Newbie

## Find the sum of all three-digit natural numbers which are divisible by 13.

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In this Question you have to find the sum of all three digit  natural number which are divisible by the ...Read more

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## Find the sum of all two-digit whole numbers divisible by 3.

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Here you have to find (i) the sum of two-digit whole numbers (ii) which is divisible by 3 An Important question based on ...Read more