It belongs to you, but other people use it more than you do. What is it?

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?

What came first, the chicken or the egg?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

How could a baby fall out of a twenty-story building onto the ground and live?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Solve below popular number sequence
314 159 265 358 979 323 846 ?