Subject
Quantitative Aptitude
Topic
Clock
A watch which gains 5 seconds in 3 minutes was set right at 7 a.m. In the afternoon of the same day, when the watch indicated quarter past 4 o'clock, the true time is:
A watch which gains 5 seconds in 3 minutes was set right at 7 a.m. In the afternoon of the same day, when the watch indicated quarter past 4 o'clock, the true time is:
ক)
4pmখ)
5pmগ)
6pmঘ)
7pmExplanation
Time from 7 am to 4.15 pm = 9 hrs 15 min = hrs 3 min. 5 sec. of this clock = 3 min. of the correct clock. Now 3min.5sec. is hrs of this clock = 3 min.is hrs of the correct clock hrs of clock = hrs of the correct clock. = 9 hrs of the correct clock. The correct time is 9 hrs after 7 am. i.e., 4 pm.Related questions
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