Why do people go to bed?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

I taste better than I can smell. Who am I?

When we see 2 but call 10?

Can you count the number of squares in the figure below?

You were playing ping pong with your friend. Suddenly the ball fell into a narrow metal pipe that was imbedded in the concrete surface of the floor one foot deep. Now you don't have any other ball and you desperately want to take it out and play. You and your friend have your shoelaces, your tennis paddle and a plastic water bottle. However, the bottle cannot fit into the pipe.

How will you take the ball out?

What can you hold in your right hand, but never in your left hand?

Find the next number in the sequence

5 12 24 36 ?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

Can you place three balls such that the equation shown in the picture holds true?