I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

There were three women in all the swimming costumes!
One was happy and the other two were sad!
The happy one was crying and the sad ones were smiling.
Why was this?

Below rebus represent famous DiCaprio movie. Can you name it?

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Which letter of the alphabet has the most water?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?