You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

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?

Our product and our sum always give the same answer. Who are we?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Identify the 10 differences between the two given pictures.