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?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Which English verb becomes past tense just by rearranging the letters?

Why do Chinese men eat more rice than Japanese men do ?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

What jumps when it walks and sits when it stands?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?