What does this rebus riddle means ?

What has a bottom at the top?

Which Travels Faster? Solve below famous picture riddle:

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

There was a kingdom in which the king had no heir to take over his thrown. Even the queen was dead and he himself was on the verge of dying. He thought about it and then summoned all of the teenagers. He gave one seed each to all of them and asked them to grow the plant. He announced that the one with the most beautiful plant will become the king/queen of the empire after the death of the king.

After a month, all of them were called. The king looked at all of the plants but announced the girl with an empty pot as the queen of the empire. Why?

Why do Chinese men eat more rice than Japanese men do ?

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

What 5-letter word typed in all capital letters can be read the same upside down?