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

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

I don't get anymore wetter, no matter how much rain falls on me.

What breaks yet never falls, and what falls yet never breaks?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

The more you take me, the more you leave me behind.
Who Am I?