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

What is both possible and impossible at the same time?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

The Judge knows that Alamgir was killed by his girlfriend Jasline, but the judge is unsure whether to punish her. Why?

I can be cracked, made, told, and played. What am I?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

What does a man do only once in his lifetime, but women do once a year after they are 29?

How many letters are in the alphabet?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?