Question

Find the sun of first 8 multiples of 3

Answer 1

I think 108 is the answer. I am not 100% sure

Answer 2

Answer:

108

Step-by-step explanation:

First 8 multiples of 3 are

3, 6, 9, .... , 24

It forms an AP where

First Term (a) = 3,

Common Difference (d) = 3 and

Number of terms (n) = 8

Last Term ( l ) = 24

We know that Sum of n terms = n/2 ( a + l)

                                                 = 8/2 ( 3 + 24)

                                                 = 4 × 27

                                                 = 108

∴ Sum of first eight multiples of 3 is 108