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

Before Mount Everest was discovered, what was the highest mountain in the world?

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

What do you see in the image below

A man dies of old age on his 25 birthday. How is this possible?

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?

How can one talk without saying a single word?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

Which flower has two lips?