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    Question

    In a 200-metre race, β€˜A’ beats β€˜B’ by 15 seconds

    or 60 metres. Find the time taken by β€˜B’ to finish the race.
    A 40 seconds Correct Answer Incorrect Answer
    B 60 seconds Correct Answer Incorrect Answer
    C 70 seconds Correct Answer Incorrect Answer
    D 50 seconds Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Speed of β€˜B’ = (60/15) = 4 m/s Time taken by β€˜B’ to finish the race = 200 Γ· 4 = 50 seconds

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