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Question 1. Asked on :08 July 2019:04:56:29 PM

#### Find the sum of the first 40 positive integer divisible by 6.

-Added by Himanshi Verma Mathematics » A.p

Akki chauhan

This is an AP a=6,d=6, and n=40

Using formula,

Sn = n2 [2a+(n-1)d]

S40= 402 [2*6+(40-1)6]

S40=20(12+234)

S40=20*246

S40=4920

-Answered by Akki chauhan On 18 July 2019:10:26:06 AM

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