Question

find the sum of first 15 multiple of 3

Answer 1

Answer:

3,6,9,12,15,18,21,24,27,30,33,36,39,45

= answer is 360

Answer 2

You have to add the first 15 multiple of 3

means 3+6+9+12+15+18+21+24+27+30+33+36+39+42+45

=360

I hope my answer will help you ☺️