A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

What is black when you buy it, red when you use it, and gray when you throw it away?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

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?

What does below rebus means ?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

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

Can you name an animal whose killing cannot be performed without spilling your own blood?

Client Dempsey living in one of the East Coast states of the U.S. was talking to Landon Donovan, who was living in the West Coast state of the U.S.

Dempsey: What time is it?
Donovan: Wow, It is the same time here.

How is this possible?

In the image given, you can find several triangles. Can you count them all?