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 ?

Can you move 2 matchsticks to form four equal sized squares.

No matter how little or how much you use me, you change me every month. What am I?

What do you see in the image below

I know a nine-letter word having only one vowel.
Do you ?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

Which is the rope you never skip with?