Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

Who has married many women but was never married?

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

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?