# Solution - Sum of First n Terms of an AP

Account
Register

Share

Books Shortlist
ConceptSum of First n Terms of an AP

#### Question

In an AP

Given a = 3, n = 8, S = 192, find d.

#### Solution

You need to to view the solution
Is there an error in this question or solution?

#### Similar questions VIEW ALL

A sum of Rs 700 is to be used to give seven cash prizes to students of a school for their overall academic performance. If each prize is Rs 20 less than its preceding prize, find the value of each of the prizes.

view solution

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

view solution

The first and the last terms of an AP are 8 and 65 respectively. If the sum of all its terms is 730, find its common difference.

view solution

Find the sum of 20 terms of the A.P. 1, 4, 7, 10, ……

view solution

Show that a1, a… , an , … form an AP where an is defined as below

an = 9 − 5n

Also find the sum of the first 15 terms in each case.

view solution

#### Reference Material

Solution for concept: Sum of First n Terms of an AP. For the course 8th-10th CBSE
S