Two old friends, Jack and Bill, meet after a long time.

Three kids
Jack: Hey, how are you, man?
Bill: Not bad, got married and I have three kids now.
Jack: That's awesome. How old are they?
Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.
Jack: Cool..But I still don't know.
Bill: My eldest kid just started taking piano lessons.
Jack: Oh, now I get it.

How old are Bill's kids?

What country can make you shiver?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

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

What seven-letter word has hundreds of letters in it?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Can you find a rabbit in the given picture?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?