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?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

How can a man go eight days without sleep?

Can you find a rabbit in the given picture?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

A swan sits at the center of a perfectly circular lake. At an edge of the lake stands a ravenous monster waiting to devour the swan. The monster can not enter the water, but it will run around the circumference of the lake to try to catch the swan as soon as it reaches the shore. The monster moves at 4 times the speed of the swan, and it will always move in the direction along the shore that brings it closer to the swan the quickest. Both the swan and the the monster can change directions in an instant.
The swan knows that if it can reach the lake's shore without the monster right on top of it, it can instantly escape into the surrounding forest.

How can the swan successfully escape?

Which point will the car reach to go out?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable