Question

Which of the following numbers is divisible by 3, 5, and 10?

A. 15
B. 20
C. 25
D. 30

Answer 1

Answer: D) 30

Dividing 30 by 3 equals 10

Dividing 30 by 5 equals 6

Dividing 30 by 10 equals 3





If doing process of elimination

15

20

25

30

15 and 25 is not divisible by 10. Let’s get rid of those options

20

30

20 is not divisible by 3. This leaves the final option 30.

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Answer 2

D. 30

Explanation:

A. 15

3 and 5 are liable. 10 is not

B. 20

5 and 10 liable. 3 is not.

C. 25

5 is liable. 3 and 10 is not.

D. 30

3, 5, and 10 are liable