A man crosses a road 250m wide in 75sec. His speed in km/h is
a) 10 b) 12 c) 12.5 d) 15
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Answer:
Step-by-step explanation:
d=250m
t=75sec
s=d/t
s=250/75
s=10/3m/sec or 10/3*18/5km/h
s=12 km/h
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