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#3. Can all four people cross the bridge – with the torch – in 15 minutes or less?
Photo Credit: Pixabay
A:
1. First, A and B cross the bridge and A brings the light back. This takes 3 minutes.
2. Next, C and D cross and B brings the light back. This takes another 10 minutes.
3. Finally, A and B cross again. This takes another 2 minutes.
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