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    Question

    Neha takes 10 hours to travel a certain distance at a speed

    of 20 km/h. What should be her new speed to complete the same journey in 5 hours?
    A 18 km/h Correct Answer Incorrect Answer
    B 40 km/h Correct Answer Incorrect Answer
    C 28 km/h Correct Answer Incorrect Answer
    D 35 km/h Correct Answer Incorrect Answer

    Solution

    ATQ,

    Distance travelled by Neha in 10 hours = 20 × 10 = 200 km

    So, required speed = 200 ÷ 5 = 40 km/h

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