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

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

What word begins and ends with an E, but has only one letter?

Why 1729 is a magic number? Answer Logically.

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

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?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Which Burger Is Different in below image?

How can you write nineteen in a manner that if we take out one, it becomes twenty?