Solution to the 15-Minute Problem
Follow the steps below to measure 15 minutes:
- Reverse both the 7-minute and the 11-minute hourglasses
- Let the time pass for 7 minutes
- Reverse the 7-minute hourglass
- Let the time pass for 4 minutes
- Reverse the 7-minute hourglass
- Let the time pass for 4 minutes
Click the button below to play this game now:
