There are forty elephants and they have forty-fore heads. How can this be possible?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

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

Spot the cat in the picture below

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

The answer I give is yes, but what I mean is no. What was the question?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.