There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

What has lots of eyes, but can’t see?

What month of the year has 28 days?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

How do you go from 98 to 720 using just one letter?

Count the number of lines in the image below ?