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

What question can you never answer yes to?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

What is the end of everything?

Take one out and scratch my head, I am now black but once was red. What am I?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

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?