I have teeth but i don't bite. Who Am I ?

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

Which fur should we be getting from the Lion?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?

why number 8549176320 is one of a kind?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?