There was a strange boy who was born before his father. How can this be possible?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

How many triangles are there on the puzzle below?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

What is the last thing you take off before bed?

What does Alexander the Great and Winnie the Pooh have in common?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

what's the probability of getting a king or a queen from a pack of 52 cards?