It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

Which country gets ill every time?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

What part of Turkey has the most feathers?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

What does the below rebus riddle means?

What you cannot hold but it is yours?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

What number do you get when you multiply all of the numbers on a telephone's number pad?