Question

find the sum of 8 multiples of 3

Answer 1

HEY....

SUPPOSE WE ARE TAKING FIRST 3 MULTIPLES ..

8*1=8

8*2=16

8*3=24

SO THE SUM WILL BE .......

8+16+24=48

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Answer 2

We got an A.P
3,6,9,......,24
HERE,
FIRST TERM IS 3
N=8
LAST TERM=24
SO,
N/2(A+L)
8/2(3+24)
4(27)
=108 YOUR ANSWER