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

Find the 8 in the below-given Image.

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Count the number of triangles in the picture below:

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Who is that with a neck and no head, two arms and no hands? What is it?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?