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?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

Find the next number in the following series:
6, 14, 26, 98, __?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

How can you make number one disappear by adding something to it?

Find the hidden panda in the image below.

What is the next number in this matchsticks series riddle?

What Time Should the last watch show in the below figure?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

What has hands, but can’t clap?