What kind of storm is always in a rush?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What is the longest word in the dictionary?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

What does man love more than life, hate more than death or mortal strife; That which contented men desire; the poor have, the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

A plane crashed between the border of Mexico and America. Where do you bury the survivors?