Replace the question mark with the correct number in below Picture:

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?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?