Shweta crosses a platform 800 m long in 16 minutes. What is her speed in km/hr.
A. 50 km/hr
B. 3 km/hr.
C. 20 km/hr
D. 16 km/hr
Answer: Option B
Solution (By Examveda Team)
Distance = 800 m.Time = 16 min = 16 * 60 = 960 secs.
Speed = 800/960 = 0.83 m/sec = (0.83 * 18)/5 = 3 kmph.
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