What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

Can you divide the below-given shape into four equal and identical pieces?

A bomb exploded in a room full of married couples and no one died. How?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Which tank will fill first?

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

John was piloting a plane behind a car but was never able to overtake it. Why?