when a certain number is divided by 7, the remainder is 0. if the remainder is not 0 when the number is divided by 14, then the remainder must be __
A
7
B
5
C
3
D
8
Correct Answer: 7
The number should be multiple of 7 Let, the number be 21 Now, (21/7) = 3, reminder 0 And (21/14) = 1, reminder 7