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?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Solve this riddle by finding the odd one out from the rest.

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

How many triangles can you count in the figure given?

Take away the whole and some still remain. What is it?

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?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

Take one out and scratch my head, I am now black but once was red. What am I?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?