Question:
A clock loses 12 minutes every 24 hours. It is set right at 7:25 p.m. on Monday. What will be the time when the clock shows 1:45 p.m. the following day?
A clock loses 12 minutes every 24 hours. It is set right at 7:25 p.m. on Monday. What will be the time when the clock shows 1:45 p.m. the following day?
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Work out the ratio between the faulty clock's rate and real time, then scale up the elapsed clock time to get the true elapsed real time.
Updated On: Jul 14, 2026
- 1:20:35 p.m.
- 1:35:50 p.m.
- 1:25:35 p.m.
- None of these
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The Correct Option is D
Solution and Explanation
Clock rate: 1428 clock-min per 1440 real-min. Clock advanced 1100 min (7:25pm Mon to 1:45pm Tue). Real time = 1100 x 1440/1428 = 1100x120/119 ≈ 1109.24 min = 18hr 29min 15sec. Adding to 7:25:00pm Mon gives approx 1:54:15pm Tue - none of the given options match.
Final Answer: None of these, option (4).
Final Answer: None of these, option (4).
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