You need to arrange three 7 and mathematical symbols to form number 1?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Name a key which is hardest to turn.

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

What do you call a fish without an eye?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

Solve the mathematical equation in the picture below.

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?