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Two Hourglass Treat (Posted on 2022-07-04) Difficulty: 2 of 5
Prof. Blanchard used an unique way to measure time for a test lasting 15 minutes.
He used two hourglasses, one measuring 7 minutes and the other measuring 11 minutes.
How did he measure the 15 minutes by turning the hourglasses a minimum number of times?

No Solution Yet Submitted by K Sengupta    
Rating: 4.0000 (1 votes)

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  Subject Author Date
solnSteven Lord2022-07-04 07:14:59
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