It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

If an electric train is travelling south, then which way is the smoke going?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

How many sides does a circle have?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?