A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

What does an Island and the letter T have in common?

There is something which you can be arrested for attempting but not for successfully completing.

In the given picture, in how many ways can you read the word "Tiger"?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

What word is pronounced the same if you take away four of its five letters?

Can you count the number of quadrilaterals in the picture below?