A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

What month of the year has 28 days?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

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?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?