Replace the question mark with the correct number.

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

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

When does a USA Potato change its nationality?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

What you cannot hold but it is yours?

Which of the below owl is odd one out?