Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

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 quickly find which two matchstick figures are identical?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

What runs around the whole yard without moving?