It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

What is the centre of gravity?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

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

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

What can you hold in your right hand, but never in your left hand?

why number 8549176320 is one of a kind?

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?