How do you get 4 people across a bridge in 17 minutes?
The riddle
- Only two can cross at a time,
- With only one torch between them, one member must return with the torch for the next crossing, and.
- Unless all four of them safely cross over to the other side within 17 minutes, they will be in very great danger.
Can they all cross the bridge in 15 minutes?
There cannot be more than two persons on the bridge at any time, and when two people cross the bridge together, they must move at the slower person’s pace. Can they all cross the bridge in 15 minutes? Solution: They must cross the bridge in the following way: Step 1: A and B cross the bridge.
Who was the first to cross the bridge answer?
Dorothy, holding Toto in her arms was the first to cross the bridge.
What is the solution to the Konigsberg bridge problem?
Euler states that if the sum of the number of times each letter must appear is one more then the total number of bridges, a journey can be made. However, if the number of occurrences is greater than one more than the number of bridges, a journey cannot be made, like the Königsberg Bridge problem.
What is D total minimum time required by all 4 friends to cross the bridge?
23 minutes
Answer: (a) 23 minutes.
What is the answer to the prisoner hat riddle?
ANSWER: Prisoner B. EXPLANATION: If prisoners B and C had the same color hat on, prisoner A would have know immediately that his hat was the other color (there are only two hats of each color). Since prisoner A was silent, prisoners B and C must have different colored hats.
How does the buffalo cross the bridge Riddle answer?
the buffalo can cross the bridge by walking.no need to ride vehicles or to swim or fly just walking.
What is the answer to the bridge Riddle?
The bridge is weak and only able to carry the weight of two of them at a time. Because they are in a rush and the light is fading they must cross in the minimum time possible and must carry a torch (flashlight,) on each crossing. They only have one torch and it can’t be thrown….Answer to Puzzle #25: Bridge crossing in 17 Minutes with Torch.
| Move | Time |
|---|---|
| (1) & (2) Cross with Torch | 2 |
| 17 |
What made the Travellers look up when they started crossing the bridge?
A sharp growl made the travellers look up when they started crossing the bridge.