Question

45 is divisible by which of the following numbers?

A. 1, 5, 8
B. 1, 2, 3
C. 1, 2, 5
D. 1, 3, 5, 9

Answer 1

The correct answer is D

Answer 2

B

Explanation:

45: indeed, 45 is a multiple of itself, since 45 is evenly divisible by 45 (we have 45 / 45 = 1, so the remainder of this division is indeed zero) 90: indeed, 90 = 45 × 2. 135: indeed, 135 = 45 × 3. 180: indeed, 180 = 45 × 4.