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

How can you drop a raw egg from a height onto a concrete floor without cracking it?

What is the difference between a jeweller and a jailer?

I have branches, but no fruit, trunk or leaves. What am I?

Imagine you are in a room with no windows or doors. How will you get out?

Can you identify the Oscar-winning movie from the rebus below?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

In the formation, you can see a few arranged matchsticks. Can you form three squares by moving just three matchsticks?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?