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    Question

    Three people – Rohan, Suresh, and Tarun – run at

    speeds in the ratio 5:4:6. If Tarun takes 18 minutes to finish a race, how long will Rohan take to complete the same distance?
    A 21.6 mins Correct Answer Incorrect Answer
    B 14.5 mins Correct Answer Incorrect Answer
    C 11.6 mins Correct Answer Incorrect Answer
    D 28.5 mins Correct Answer Incorrect Answer

    Solution

    ATQ,

    Ratio of time taken by Rohan, Suresh, Tarun = (1/5):(1/4):(1/6) = 12:15:10

    Time taken by Rohan = (18 × 12) / 10 = 21.6 minutes

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