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Harish switched on a bulb at 1:23: 44 ho...

Harish switched on a bulb at `1:23: 44` hours and switched it off on the same day at `11:14:38` hours. For how long was the bulb in switched -on-mode?

A

12 hours 40 mins 06 secs

B

10 hours 09 mins 06 secs

C

9 hours 09 mins 06 secs

D

9 hours 50 mins 54 secs

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The correct Answer is:
D
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