What is at the end of a rainbow?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

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?

Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

I look at you, you look at me, I raise my right, you raise your left. What am I?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Can you name some countries which do not have the alphabet 'A' in them?

What goes up but never comes down?