Question

1) A cyclists cover 0.9 km in 3 minutes. Find his speed in km per hour.
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Answer 1

0.9 ×20 =distance in hour

=18 km /hr is his speed in km per hr

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Answer 2

Answer:

18 km /hr is speed of cyclist.

Step-by-step explanation:

Speed = distance /time

Distance = 0.9 km

Time = 3 min = 3/60 hrs = 0.05 hrs

Now,

Speed = 0.9/0.05 km/hr

Speed = 18 km/hr