One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

What does below pictogram mean?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper.

Can you tell me , Which other pages won't be there as well ?

What does this mathematical rebus means ?

Which number comes next in the number series?

2, 9, 30, 93, ?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Why do you find that most of the buildings are deprived of the 13th floor?