Question

Which of the numbers 21, 24, 45, 30, 42, 60, and 84 are multiples of:

a) 3? b) 12? c) 7? d) 15?

Answer 1

3

Explanation:

3×7=21

3×8=24

3×15=45

3×10=30

3×14=42

3×20=60

3×28=84

Answer 2

A 3

Explanation:

3 is a multiple of all of the numbers