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: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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