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

Find the last number in the series below:

voN luJ yaM raM ---

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

With the help clues provided in the image, can you find the 5 digit key?

How many times can you subtract the number two from the number fifty?

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 ?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Akbar summoned Birbal out of anger.
He told him that he will have to face death.
He asked him to make a statement and if the statement is true he will be buried alive and if the statement is false, he will be thrown at lions.
After hearing Birbal’s statement, Akbar could do nothing but smile.
He gave him 5 gold bars and let him go.

What did Birbal say?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?