A) 11 p.m.
B) 10 p.m.
C) 9 p.m.
D) 8 p.m.
Correct Answer: A
Solution :
Time from 5 a.m. on a day to 10 p.m. on 4th day is 89 hours. Now, 23 hrs. 44 min. of this clock are the same as 24 hours of the correct clock. i.e., \[\frac{356}{15}\] hrs. of this clock = 24 hrs. of correct clock. \[\therefore \] 89 hrs. of this clock \[=\left( \frac{24\times 15}{356}\times 89 \right)\] hrs. of correct clock = 90 hrs of correct clock. So, the correct time is 11 p.m.
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