icse & cbse board Archives

1

Deepak BoraNewbie

Asked: August 12, 2020In: CBSE, ICSE

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

Deepak BoraNewbie

Asked: August 12, 2020In: CBSE, ICSE

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

Deepak BoraNewbie

Asked: August 12, 2020In: CBSE, ICSE

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

Deepak BoraNewbie

Asked: August 12, 2020In: CBSE, ICSE

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

Deepak BoraNewbie

Asked: August 11, 2020In: CBSE

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

-2

Deepak BoraNewbie

Asked: August 11, 2020In: CBSE

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

-2

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

0

Deepak BoraNewbie

Asked: August 9, 2020In: CBSE

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

0

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

0

Deepak BoraNewbie

Asked: August 9, 2020In: CBSE, ICSE

Find the sum of all odd numbers between 0 and 50.

0

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

0

Deepak BoraNewbie

Asked: August 9, 2020In: CBSE

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

0

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

0

Deepak BoraNewbie

Asked: August 6, 2020In: CBSE, ICSE

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

0

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

Discy Latest Questions