A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

A man fell off a smuggling boat into deep water. He could not swim and he was not wearing anything to keep him afloat. It took 30 minutes for the people on the boat to realize someone was missing. The missing man was rescued two hours later on the return trip. Why didn't he drown? Note:- He didn't know swimming, the sea was deep, and He wasn't holding anything

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

Where do fish keep their money?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

How can you leave a room with two legs and return with six legs?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?