A cyclist goes 9 important kilometre in 3 minutes find his speed in kilometre per hour
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Answer:
3 min = 3/60 = 1/20 = 0.05 hr
=> v = 9/1/20 = 180 km/hr
Answered by
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Answer:
convert min in hrs 3/60= 1/20
speed= distance/time
= 9/1/20=9x20/1=180km/hrs
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