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?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

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

John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3

How many times do a clock's hands overlap in a day ?

What can you deduce from the following BrainBat?

CRY
LMKI

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

I’m tall when I’m young, and I’m short when I’m old. What am I?