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?

Spot 5 differences in two Christmas tree below:

I have no life, but I can die. What am I?

All of you like to eat me. I am a five-lettered word. Remove the first two and I turn into an infamous animal. Remove just the first and I become a heinous crime. Remove the first and the last and you can groove on me.

Can you guess who am I?

Next Number in the Series,

5, 16, 49, 104, ?

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

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

How is a fly different from a mosquito?

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?