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?

People put me on the table and cut me but do not eat me. What am I?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?

Can you make four (4) nines (9) equal 100?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

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.

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?