# Who does number 2 work for?

Number 2 works for Dr. Evil.

Ref: Austin Powers: International Man of Mystery

Dr. Evil

### What number is divisible by 5 and 9 not 10 and its a 4 digit number and it contains on 2 different numbers?

The number is divisible by 5 then its end is either 0 or 5 The number is divisible by 9 then the sum of its digits is divisible by 9 If the number is divisible by 5 but not by 10 then it means that the number is divisible by 5 but not by 2, thus it's not an even number. The number is not even so it ends with 5 So the number is…

### Four times the square of a number is 16 Find the number?

You need to work backwards from the answer of 16. Dividing 16 by 4 gives you 4. The square root of 4 is 2. Your number is 2. Check your answer - 2 squared is 4. 4 times this 4 is 16. It can also be -2 (minus or negative 2) because when you multiply (or square) two negative numbers, the answer becomes a positive number.

### Find the square root of a number?

The square root of a number is a number which when multiplied by itself will result in the original number. So the square root of 4 is 2, because 2 times 2 equals 4. For an easy square root like that you can work it out in your head, but for harder questions you should use a calculator. Your calculator will have a button to press to calculate the square root of a number.