I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

2, 3, 5, 9, 17, _ What is the next number in the sequence?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

Who can jump higher than a Mountain?