Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

There was a strange boy who was born before his father. How can this be possible?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

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.

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

Why do you find that most of the buildings are deprived of the 13th floor?

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