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

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

When it is alive we sing, when it is dead we clap our hands. What is it?