A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

I have teeth but i don't bite. Who Am I ?

Move three sticks of the spiral below to form a square.

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

What's the best place to go shopping in the ocean?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

What is next number in the pattern below:

131 517 192 123 ?

I have branches, but no fruit, trunk or leaves. What am I?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?