Four people must cross a bridge at night with one flashlight. They can cross in 1, 2, 5, and 10 minutes. Two cross at a time at the slower person's pace. What is the fastest total time?
Quick Answer & Explanation
17 minutes. Strategy: 1&2
The answer to this riddle is 17 minutes. Strategy: 1&2. Difficulty: Hard · Solved by 18,094 puzzle lovers.