There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

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?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Can you name an animal whose killing cannot be performed without spilling your own blood?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

What number when divided in half becomes zero?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?