Question

Reema rides a bicycle at 12 km/hour and reaches her school in 15 minutes. How fast does she needs to ride the bicycle to reach her school in 10 minutes?
(a)14 km /h
(b)16 km/h
(c)18 km /h

Answer 1

Answer:

b) 16 km/h is the answer

Step-by-step explanation:

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Answer 2

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Option (B)

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Speed = Distance ÷ Time

--> Distance = Speed x Time

So,Distance to the School =

12km/hr x 20mins = 12km/hr x 20/60 hour = 4km

So, to cover distance 4km in 15minutes,

Speed = 4km/15min = 4km/(15/60)hr =

16 km/h