Question

If a number is divisible by 20, then it is even?

Answer 1

Yes, a number divisible by `20` is even.

Explanation:

In fact any number divisible by an even number is always even.

Let the given number be `n` and let it be divisible by even number `2m`.

Then as `n` will be `2m` multiplied with say `x`. Then we have

`n=x×2m` and then `n=2×xm`. Now as `2` is a factor of `n`, `n` is an even number.

As `20` is an even number, any number divisible by `20` too is an even number.