Question

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Answer 1

Answer:2 kilometer(km)

Explanation: Given, speed = 4km/h

And, time = 30 minutes(min) =1/2 hour

(Since, speed is given in km/hr

Therefore, we have to convert time in hour also by dividing it from 60.)

Now, we know that,

Distance = speed * time

= 4km/hr * 1/2 hr

= 2km.

So, the distance between the school and his house is 2km or 2000m.

Answer 2

Answer:

• Speed = 4 ×5/18 = 10/9 m/s.
• time = 30min = 30×60 = 1800sec.
• therefore, Distance=speed / time
• distance= 10 / 9 × 1800
• distance = 2000m ans.

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