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    Question

    In a 500-metre race, β€˜A’ beats β€˜B’ by 10 seconds

    or 50 metres. Find the time taken by β€˜B’ to finish the race.
    A 110 seconds Correct Answer Incorrect Answer
    B 120 seconds Correct Answer Incorrect Answer
    C 130 seconds Correct Answer Incorrect Answer
    D 100 seconds Correct Answer Incorrect Answer

    Solution

    Speed of β€˜B’ = (50/10) = 5 m/s Time taken by β€˜B’ to finish the race = 500 Γ· 5 = 100 seconds

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