Question

Q.27 The sum of first five multiples of 3 is
(b) 55
(a) 45
(c) 65
(d) 75

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Answer 1

(A)45 is the answer because it is the divisiblity rule of 3

Answer 2

Answer:

First five multiples of 3 are 3, 6, 9, 12, 15.

Sum of first five multiples of 3 = 3 + 6 + 9 + 12 + 15 = 45

So answer is (a)45.