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 ?

Can you solve this picture maths equation?

Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.

Rectify the following equality 101 - 102 = 1 by moving just one digit.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

A father's child, a mother's child, yet no one's son.

Who am I?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?