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?

The pound is not a finish.

We are sharing a few instructions below, which you have to use in any suitable order to modify the above sentence such that the end sentence is a scientific fact.

- Eliminate a letter and supplement another in its place.
- Take away one word.
- Remove one letter from one word.
- Get rid of two letters from one word.
- Swap a word with its antonym.

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

I taste better than I can smell. Who am I?

Move four matchsticks to the below square to form three squares?

What does this mean?

CCCCCCC

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

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

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?