The ratio of the speed of two bus P and Q is 4 :7. If P takes 180 minutes more than Q to cover a certain distance, the find then actual time taken by Q to cover the same distance.
Ratio of speed = 4 : 7 Ratio of time = 7 : 4 Now, 7 – 4 =180 3 =180 1=60 Q=4=60*4=240 minutes (4 hrs)
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