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How much does a watch lose per day, if its hands coincide every 64 minutes?

Correct Answer: 32 8 min. 11

Explanation:

55 min. spaces are covered in 60 min.



60 min. spaces are covered in 60 x 60 ❩min. = 65 5 min.
55 11



Loss in 64 min. = 65 5 - 64 = 16 min.
11 11



Loss in 24 hrs = 16 x 1 x 24 x 60 ❩min. = 32 8 min.
11 64 11


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