Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

There are forty elephants and they have forty-fore heads. How can this be possible?

It was a dark stormy night and a couple were in a car driving madly to a city. The car broke down and the husband had to go get help from someone who spoke his language. He was afraid to leave his wife alone in the car so he locked the car before leaving. When he came back, the car was in the same state as he had left it but his wife was dead, there was blood on the floor and there was a stranger in the car. What happened?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

There was a strange boy who was born before his father. How can this be possible?

There is a place where if I stand up straight, I will still be considered sideways.

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Which Travels Faster? Solve below famous picture riddle:

When does a USA Potato change its nationality?

Replace the question mark in the picture below.