If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

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 this Rebus Picture mean?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.

Can you tell the eye color of the cab driver?

What do you get if you add 2 to 100 four times?

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

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

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