Subject
Quantitative Aptitude
Topic
Clock
A watch which gains uniformly ,is 5 min,slow at 8 o'clock in the morning on sunday and it is 5 min 48 sec.fast at 8 p.m on following sunday. when was it correct?
A watch which gains uniformly ,is 5 min,slow at 8 o'clock in the morning on sunday and it is 5 min 48 sec.fast at 8 p.m on following sunday. when was it correct?
ক)
7pm on wednesdayখ)
20 min past 7pm on wednesdayগ)
15min past 7pm on wednesdayঘ)
8pm on wednesdayExplanation
This sunday morning at 8:00 AM, the watch is 5 min. Slow, and the next sunday at 8:00PM it becomes 5 min 48 sec fast. The watch gains min in a time of (7×24)+12 = 180 hours. To show the correct time, it has to gain 5 min. 5min -> So the correct time will be shown on wednesday at 7:20 PMRelated questions
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