How many times can you subtract the number 5 from 25?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

What is the coolest letter in the alphabet?

When can we add 2 to 11 and get 1 as the correct answer?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

Solve the rebus riddle in the picture below.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Can you tell a 3D object that has just two surfaces?