New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Ratio of speeds of ‘A’ and ‘B’ is 6:11,

    respectively. If they participate in a 220-metre race and ‘B’ gives ‘A’, a head start of ‘m’ metres, then they finish the race at the same time. Find the value of ‘m’.
    A 110 metres Correct Answer Incorrect Answer
    B 190 metres Correct Answer Incorrect Answer
    C 120 metres Correct Answer Incorrect Answer
    D 100 metres Correct Answer Incorrect Answer

    Solution

    Let the distance covered by ‘A’ in the time ‘B’ covers 220 metres be ‘x’ metres (x/220) = (6/11) Or, x = 120 So, m = 220– 120 = 100 metres

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