How much does a clock lose per day, if its hands coincide every 65 minutes?
Answers
Given : A clock 's hands coincide every 65 minutes
To find : How much does a clock lose per day
Step-by-step explanation:
Hands of clock coincide 11 times in 12 hours
Hands coincide every 65 minutes
=> 65 * 11 = in 715 minutes Clock shows 12 hours
12 Hours has 720 minutes
Hence clock is gaining a time of 5 mins every 12 hours
in day there are 24 hours
hence clock will gain 2 * 5 = 10 mins
10 minutes a day are gained by clock if its hands coincide every 65 minutes
Another way to interpret the Question
in 65 minutes hour hands movement = 65/2 deg
in 65 minutes minute hand movement should be 65 * 6 = 360 + 30 deg
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