Question:
A clock is correct on Monday at 3{:00 AM but gains 2 minutes per hour. What time will it show when the actual time is 7{:}30 PM on Tuesday?}
A clock is correct on Monday at 3{:00 AM but gains 2 minutes per hour. What time will it show when the actual time is 7{:}30 PM on Tuesday?}
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Updated On: Jan 13, 2026
- 8{:}48 PM
- 8{:}45 PM
- 8{:}51 PM
- 9{:}10 PM
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Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Elapsed actual time: Mon 3:00 AM → Tue 7:30 PM = 24 + 16.5 = 40.5 hours.
Gain = 2 min/hour ⇒ 40.5 × 2 = 81 minutes = 1 h 21 m.
Shown time = actual time + gain = 7:30 PM + 1:21 = 8:51 PM.
⇒ 8:51 PM.
Gain = 2 min/hour ⇒ 40.5 × 2 = 81 minutes = 1 h 21 m.
Shown time = actual time + gain = 7:30 PM + 1:21 = 8:51 PM.
⇒ 8:51 PM.
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