Mind Teasers : Crossing Bridge Brain Teaser (solved)
Crossing Bridge Brain Teaser
Difficulty Level
Popularity Quotient
Four friends need to cross a dangerous 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?
You might also like to try these :

kareena, Saif, and a puppy start walking down a road. They start at the same time, from the same point, in the same direction. The saif walks at 5 miles/hour kareena at 6 m........

A mathematician was challenged to write nineteen in a manner that if one was taken out of it, it became twenty. He failed to do it. Can you help him?
 Maths Picture Equation Puzzle

Two friends , Torres and Lampard, meet after a long time. Torres: Hey, how are you man? Lampard: Not bad, got married and I have three kids now. Torres: That's awesome. How ol........
 Difficult Rebus Riddle

Jamie looked at his reflection on the window mirror of the 45th floor. Driven by an irrational impulse, he made a leap through the window on the other side. Yet Jamie did not encou........
 A Rebus Problem

A guy claims to do the following thing. He puts a coin in a glass bottle. Then, he shuts the mouth of the bottle with the help of a cork. Now he manages to remove the coin out from........

If you had five mango and two bananas in one hand and two mango and four bananas in the other hand. what would you have?
 Picture Rebus Puzzle

James Horner is having two coins in his hand. Out of the two coins, one is a real coin and the second one is a faulty one with Tales on both sides. He blind folds himself choose a........

Why is 6 so much afraid of 7 ?