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.

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

What can you see in the middle of March and April that you can never see in any other month?