Question

An auto rickshaw takes 3 hours to cover a distance of 36 km. If its
speed is increased by 4 km/h, the time taken by it to cover the same
distance is?

Answer 1

If speed of auto rickshaw increase by 4 km/h, time taken for cover same distance will be 2.25 hours

Step-by-step explanation:

GIVEN

Time = 3 hours

Distance = 36 km

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TO FIND

If speed of auto rickshaw increase by 4 km/h, time taken for cover same distance

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We know that,

Speed = Distance / Time

Speed | 36 / 3

Speed = 12

Speed = 12 km/h

At speed of 12 km/h the auto rickshaw will take 3 hours to cover 36 km distance

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NOW,

Speed = 12 + 4 = 16 km/h

Distance = 36 km

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TO FIND

Time

___________________________

We know that,

Speed = Distance / Time

Time = Distance / Speed

Time = 36 / 16

Time = 2.25

Time = 2.25 hours

If speed of auto rickshaw increase by 4 km/h, time taken for cover same distance will be 2.25 hours