Question

My tens digit is double the ones digit. I am less than 50 and greater than 40. What is the number?

Answer 1

We know the tens digit has to be `4` and this digit is double the ones digit, which means the ones digit is `2`. And that gives us the answer of `42`.

Explanation:

Ok - we have a bit of a logic puzzle. Let's solve it!

The solutions available are:

`41, 42, 43, 44, 45, 46, 47, 48, 49`

So we know the tens digit has to be `4` and this digit is double the ones digit, which means the ones digit is `2`. And that gives us the answer of `42`.