Watch- Lose or gain Time

Question: The minute and the hour hand of a watch meet every 65 minutes. How much does the watch lose or gain time and by how much?

Answer:


The minute and the hour hand meet 11 times in 12 hours in normal watch i.e. they meet after every

= (12 * 60) / 11 minutes

= 65.45 minutes

= 65 minutes 27.16 seconds

But in our case they meet after every 65 minutes means the watch is gaining 27.16 seconds.


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