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

What does below rebus means ?

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

Which digit occurred maximum times between the number 1 and 1000?

What has hands, but can’t clap?

They are three errirs in this question. Can you find them?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

What number when divided in half becomes zero?