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 chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

What occurs twice in a week, once in a year but never in a day?

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.

The Little ant seems to be always confused. Do you know why?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Can you find the missing piece of the Porsche?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Why Wine Glass Stem is so long?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?