Question 40

Shrenik switched on a bulb at 2:39:40 hours and switched it off on the same day at 12:30:34 hours. For how long was the bulb in switched-on mode?

Solution

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Bulb on = 2:39:40 hours

Switch off= 12:30:34 hours

bulb in switched-on mode=Bulb on time -Switch off time

=9 hours 50 minutes 54 seconds

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