Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Why is the longest human nose just 11 inches?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Which country gets ill every time?

What is the centre of gravity?

I have branches, but no fruit, trunk or leaves. What am I?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

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?

Do you know who was buried in John's tomb?