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?

Can you fill the blank with the correct number?

6 30 870 756030 _____

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Why Aeroplane windows are round?

If eleven plus two equals one, what does nine plus five equal?