Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Can you start the fire using two pieces of wood?

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?

10+10 and 11+11 can give you the same answer.

Explain how?

Which is the smallest number that you can write using all the vowels exactly once?

How far can you walk into the woods?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?