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?

Which tank will fill first?

The more it dries, the wetter it becomes. Can you tell what it is?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

What demands an answer, but asks no questions

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?