# Solution - Sum of First n Terms of an AP

Account
Login
Register

Forgot password?
Share
Notifications

View all notifications
Books Shortlist
Your shortlist is empty
ConceptSum of First n Terms of an AP

#### Question

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

#### Solution

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

#### Similar questions

If the mth term of an A.P. is 1/n and the nth term is 1/m, show that the sum of mn terms is (mn + 1)

view solution

In an AP

Given a3 = 15, S10 = 125, find d and a10.

view solution

Find the sum of first 40 positive integers divisible by 6.

view solution

In an AP

Given a = 3, n = 8, S = 192, find d.

view solution

Find the sums given below : 7 + 10 1/2 + 14 + .................. +84

view solution

S