Question

Give an example of a number.
1) which is divisible by 2 but not
by 4.
2) which is divisible by 4 but not
by 8.
3) which is divisible by both 2 and
8 but not by 16.
4) which is divisible by both 3 and
6 but not by 18.

Answer 1

1) 2×3 = 6
2) 4×3 = 12
3) 8×5 or 2×20 = 40
4) 3×4 or 6×2 = 12

there! your answer my friend