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?

Find the value of "?" in the ball picture Riddle below:

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

Why do we preferably have round manhole covers and not square ones?

In The Image Below Which clock is the odd one out?

Vin Diesel is pulling a theft and has planned to run away with all the cash kept in the safe. But the only way to open the safe is the 13 character password. He has a set of five clues given to him by a trustworthy source.

Exactly two of the below statements are false.
The password is contained within this sentence.
The password is not in this hint.
The password is within only one of these statements.
At least one of the above statements is a lie.

How many triangles are there in the picture below?

They are three errirs in this question. Can you find them?