Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

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

When we see 2 but call 10?

What is the riddle which can be asked all day with a different correct answer each time.

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

Move three sticks of the spiral below to form a square.

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?

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?