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    Question

    P and Q start from point A to point B, at the same time

    at speeds of 32 km/h and 40 km/h, respectively. If in covering the journey P takes 30 minutes longer than Q, the total distance AB of the journey is:
    A 90min Correct Answer Incorrect Answer
    B 120min Correct Answer Incorrect Answer
    C 150min Correct Answer Incorrect Answer
    D 180min Correct Answer Incorrect Answer

    Solution

                  P                      Q Speed   32                    40             4          :           5 Time     5          :           4 ATQ-   P takes 30 minutes longer than Q,   1=30minutes. So, time of P =5×30=150minutes

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