Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to a different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out on the third floor.

Can you find out who leaves the lift on which floor?

During which month do people sleep the least?

There is a place where if I stand up straight, I will still be considered sideways.

Can you fill the blank with the correct number?

6 30 870 756030 _____

Which letter of the alphabet has the most water?

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.

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

Can you find out the remainder when 3^300 is divided by 5?

81 x 9 = 801. What must you do to make the this equation true?