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A clock is displaying correct time at 9 am on Monday. If the clock loses 12 minutes in 24 hours, then the actual time when the clock indicates 8 : 30 pm on Wednesday of the same week is = ?
- a)8 pm
- b)7 pm
- c)9 pm
- d)8 : 59 : 45 pm
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
A clock is displaying correct time at 9 am on Monday. If the clock los...
Explanation:
- Time lost in 1 hour: The clock loses 12 minutes in 24 hours, so it loses 1 minute in 2 hours.
- Time indicated by the clock: At 8:30 pm on Wednesday, the clock indicates a time that is 12 hours and 30 minutes ahead of the actual time.
- Time elapsed from Monday 9 am to Wednesday 8:30 pm: From Monday 9 am to Wednesday 8:30 pm, there are 2 days and 11.5 hours elapsed.
- Time lost by the clock during this period: The clock loses 1 minute in 2 hours, so it loses 11.5 minutes in 23 hours. Therefore, it loses 12 minutes in 24 hours.
- Adjusting the clock: Since the clock loses 12 minutes every 24 hours, we need to adjust the time indicated by the clock by adding back the lost time.
- Actual time when the clock indicates 8:30 pm on Wednesday: To find the actual time when the clock indicates 8:30 pm on Wednesday, we need to subtract 12 minutes from the clock time. Therefore, the actual time is 8:18 pm on Wednesday.
- Converting to 12-hour format: Since the time is in the evening, we convert it to the 12-hour format. Therefore, the actual time is 8:18 pm on Wednesday, which is closest to option 'c) 9 pm'.
Community Answer
A clock is displaying correct time at 9 am on Monday. If the clock los...
Time interval from 9 am on Monday to 8 : 30 pm on Wednesday.
= (24 × 2.5) − 0:30 hours
= 60 − 0:30 hours
= 59 hours 30 minutes
Also 24 hours − 12 minutes
= 23 hours 48 minutes
= 30 minutes
Hence, the correct time is 30 minutes after 8:30 pm i.e., 9 pm
= (24 × 2.5) − 0:30 hours
= 60 − 0:30 hours
= 59 hours 30 minutes
Also 24 hours − 12 minutes
= 23 hours 48 minutes
= 30 minutes
Hence, the correct time is 30 minutes after 8:30 pm i.e., 9 pm
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A clock is displaying correct time at 9 am on Monday. If the clock loses 12 minutes in 24 hours, then the actual time when the clock indicates 8 : 30 pm on Wednesday of the same week is = ?a)8 pmb)7 pmc)9 pmd)8 : 59 : 45 pmCorrect answer is option 'C'. Can you explain this answer?
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A clock is displaying correct time at 9 am on Monday. If the clock loses 12 minutes in 24 hours, then the actual time when the clock indicates 8 : 30 pm on Wednesday of the same week is = ?a)8 pmb)7 pmc)9 pmd)8 : 59 : 45 pmCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for A clock is displaying correct time at 9 am on Monday. If the clock loses 12 minutes in 24 hours, then the actual time when the clock indicates 8 : 30 pm on Wednesday of the same week is = ?a)8 pmb)7 pmc)9 pmd)8 : 59 : 45 pmCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of A clock is displaying correct time at 9 am on Monday. If the clock loses 12 minutes in 24 hours, then the actual time when the clock indicates 8 : 30 pm on Wednesday of the same week is = ?a)8 pmb)7 pmc)9 pmd)8 : 59 : 45 pmCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
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