The more it dries, the wetter it becomes. Can you tell what it is?

Two old friends, Jack and Jill, meet after a long time, and discussing as:

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?

Can you find the key in the picture below?

Why is the longest human nose just 11 inches?

Can you count the number of quadrilaterals in the picture below?

Can you decipher the below rebus?

PBLUESAISNUERSES

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

What is next number in the pattern below:

131 517 192 123 ?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?