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You have 2 sand clocks that can measure 7 minutes and 4 minutes respectively. How would you measure exactly 9 minutes ? exactly 10 minutes ?
8 -Ans- The images below describe the methods:
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You have 2 sand clocks that can measure 7 minutes and 4 minutes respectively. How would you measure exactly 9 minutes ? exactly 10 minutes ?
8 -Ans- The images below describe the methods: