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

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

What is the next shape from answers A, B, C, and D figure?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Which number should replace the question mark?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?