The more it dries, the wetter it becomes. Can you tell what it is?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

Why are all black people so quick ?

Count the number of squares in the picture below.

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A sundial has the fewest moving parts of any timepiece. Which has the most?

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?

Can you find the key in the picture below?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.