Question

4b4 is divisible by 4 when b is:

• A. 3
• B. 5
• C. 6
• D. 7

Answer 1

The correct option is C

6

For a number to be divisible by 4, the last two digits have to form a number that is a multiple of 4.

Therefore the value of b must be 0,2,4,6 or 8.

As 6 is the only relevant option, the answer is 6.