Question

If a number is divisible by 10, then it must also be divisible by 5.

• A. True
• B. False

Answer 1

The correct option is A

True

A number that is divisible by 10 will always have a 0 at the end.

If a number has 0 or 5 at the end, then it must be divisible by 5.

Therefore, every number divisible by 10 must also be divisible by 5.

We also know that the factors of 10 are 1, 2, 5,10. If a number is divisible by 10, it will also be divisible by all its factors. Hence the number will be divisible by 5 and 2 as well.