Q. A clock becomes 12 s fast in every 3 h. If it is made correct at 3 O' clock in the afternoon of Sunday, then what time will it show at 10 O' clock Tuesday morning?

  • (A) 2 min 52 s past 10
  • (B) 2 min 54 s past 10
  • (C) 2 min 50 s past 10
  • (D) 2 min 48 s past 20
βœ… Correct Answer: (A) 2 min 52 s past 10
Explanation: Total time from 3 O' clock Sunday afternoon to 10 O' clock Tuesdy morning = 43 h

Total increased time = 12/3 × 43 = 172s = 2 min 52s

Therefore, Time at 10 O' clock Tuesday morning = 2 min 52 s past 10
Explanation by: Tina Singh
Total time from 3 O' clock Sunday afternoon to 10 O' clock Tuesdy morning = 43 h

Total increased time = 12/3 × 43 = 172s = 2 min 52s

Therefore, Time at 10 O' clock Tuesday morning = 2 min 52 s past 10

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