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Arithmetic Ability
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Q.

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

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Correct choice: A

Explanation:

55min spaces are covered in 60min 60 min. spaces are covered in (60/55 x 60) min= 65+5/11 min. loss in 64min=(65+5/11)- 64 =16/11 Loss in 24 hrs (16/11 x 1/64 x 24 x 60) min= 32 8/11.
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