Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Look at the picture and find out which square is not linked with any of the other squares.

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

Who has married many women but was never married?

What is the riddle which can be asked all day with a different correct answer each time.

There is a bag which have 21 blue balls and 23 red balls. You also have 22 red balls outside the bag. Randomly remove two balls from the bag. * If they are of different colors, put the blue one back in the bag. * If they are the same colour, take them out and put a red ball back in the bag. Repeat this until only one ball remains in the bag. What is the color of the sole ball left in the bag ?

You need to remove two matchsticks to make the below equation true. Can you do it ?

It belongs to you, but other people use it more than you do. What is it?

Find the last number in the series below:

voN luJ yaM raM ---