It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Keyboard words are not in alphabetical order, Why?

There is something which you can be arrested for attempting but not for successfully completing.

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

What goes through cities and fields, but never moves?

I have branches, but no fruit, trunk or leaves. What am I?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?