I am an odd number. Take away a letter and I become even. What number am I?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

What does this Rebus Picture mean?

Do you know who was buried in John's tomb?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

Can you solve the maths in the below-given picture equation?