When my father was 31 I was 8. Now he is twice as old as me. How old am I?

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

After undergoing a successful eye operation, A blind girl has just boarded a train to her home. The doctor asked her to open the bandages after 3 hours. On her train journey, she opened the bandages and within a fraction of the time she commits suicide by jumping off the train.

Though her operation was successful, Why did she commit suicide?

What question can you never answer yes to?

You need to move three matchsticks to form three squares. Can you do it?

What is the next number in this series?

4,12,84,3612....

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

What's a single-digit number with no value?

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