13. A girl walks 12 km at the speed of 3 km/h. What change should she – InterviewSolution

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13. A girl walks 12 km at the speed of 3 km/h. What change should she make in her speed totake (i) an hour less and (ii) an hour more to cover the distance?

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Answer:

According to QUESTION, she takes one more hour to reach the DISTANCE. Therefore, new time will be 5 h. Therefore, she will reduce her speed from 3km/h to 2.4 km/h

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