A clock goes slow from midnight by 5 mts . at the end of the first hour, by 10 mts. at the end of the second hour, by 15 mts. at the end of the 3rd hour and so on. What will be the time by this clock after 6 hours?

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Correct answer: B. 5: 30 am

Time after 6 hours after midnight = 6 am Clock will go slow in 6 hours =6 5=30 minutes ∴ Time shown by the clock =6: 00-0: 30 minutes =5: 30 am.

A clock goes slow from midnight by 5 mts . at the end of the first hour, by 10 mts. at the end of the second hour, by 15 mts. at the end of the 3rd hour and so on. What will be the time by this clock after 6 hours?

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