Question

a car moving at 40 km/hr a boy follows if at one fourth it's speed and reaches his school from his house in 30 minute how for is his school from his house​

Answer 1

Question:-

A car moving at 40 km/hr a boy follows car at one fourth of it's speed and reaches his school from his house in 30 minute. How far his school from his house.

Given:-

• A car moving at 40 km/hr a boy follows car at one fourth of it's speed.
• Boy reaches his school from his house in 30 minute.

Solution:-

{To find distance from house to school or school to house}

Now, {According to given}

—› Speed of boy = ¼ {car speed}

—› Speed of boy = ¼ {40}

—› Speed of boy = 10 km/hr

{ Concvert 10 km/hr in m/s}

—› 10 km/hr

= [{10×1000}/{60×60}] m/s

—› 10 km/hr = [10000/3600] m/s

—› 10 km/hr = 2.78 m/s {approx}

{Convert 30 min in sec }

—› 30 min = {30 × 60} sec

—› 30 min = 1800 sec

Now, {we use formula}

Speed = {Distance}/{Time}

{ we know [ Time = 1800 sec ] }

—› Speed of boy = {Distance}/{Time}

—› 2.78 = {Distance}/{1800}

—› Distance = 2.78×1800

—› Distance = 5004 meter

{Convert 5004 meter in km}

—› 5004 meter = {5004/1000}km

—› 5004 meter = 5.004 km

Hence, distance from house to school or school to house is 5004 m or 5.004 km.

Answer 2

Answer:

5004 metre

ok tq

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