Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

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?

Decode this picture on T-Shirt and tell what it says ?

Before Mount Everest was discovered, what was the highest mountain in the world?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Find out which of the given views in the picture is accurately the top view of the given pyramid.