I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

Imagine you are in a room with no windows or doors. How will you get out?

What goes up but never comes down?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

There are forty elephants and they have forty-fore heads. How can this be possible?

A woman who works in a sweet shop has a measurement of 32-26-36, is 5"4" tall, and wears size "6" shoes. What do you think she weighs?