Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

I am the fastest animal but cannot climb the tree. What am I?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

Count the squares in the matchstick puzzle below?

why number 8549176320 is one of a kind?

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

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?