What month of the year has 28 days?

what does the below rebus means?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

Replace the question mark with the number below given a simple math problem.

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?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

I have branches, but no fruit, trunk or leaves. What am I?

Bay of Bengal is in which state?

What 5-letter word typed in all capital letters can be read the same upside down?

Which is the rope you never skip with?