Tag: math & puzzles

1. The numbers 4 and 6 are the first two numbers that are the averages (or the means) of two consecutive prime numbers that differ by 2. I am the third number that has the same properties. What number am I?

1. I am the smallest square number that is the sum of two different cube numbers. What number am I?

1. I am the remainder of a! / b!, where a and b are any positive integers with a > b. Here, a! means a factorial. What number am I?

1. The smallest number that is neither prime nor even is 1. I am the second number with these properties. What number am I?

1. The first four Fibonacci numbers that are also prime are 2, 3, 5 and 13. I am the next prime Fibonacci number. What number am I?

1. I am the smallest positive integer that has the following properties. When I am divided by 2, the remainder is 1. When I am divided by 3, the remainder is 2. When I am divided by 4, the remainder is 3. What number am I?

Find the odd one out

If Costa Rica goes with Thailand, Cuba goes with Puerto Rico, and the Netherlands go with Yugoslavia, what country would the Ivory Coast go with?

When you don't have it you want it, but when you do have it you want to share it , but you have to keep it. What is it?

What belongs to you but others use it more than you do?