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Deepika • 5.98K Points
Tutor III Math

Q. A watch is 1 minute slow at 1 p.m. on Tuesday and 2 minutes fast at 1 p.m. on Thursday. When did it show the correct time?

  • (A) 1.00 a.m. on Wednesday
  • (B) 5.00 a.m. on Wednesday
  • (C) 1.00 p.m. on Wednesday
  • (D) 5.00 p.m. on Wednesday
  • Correct Answer - Option(B)
  • Views: 747
  • Filed under category Math
Explanation by: Deepika 
Time from 1 p.m. on Tuesday to 1 p.m. on Thursday = 48 hours.

So, the watch gains (1 + 2) min or 3 min in 48 hrs.

Now, 3 min are gained in 48 hrs. So, 1 min is gained in (48/3) = 16 hrs.

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