Question
Find the ratio between the speed of the boat and the speed of the stream. The speed of the boat while travelling upstream is 24km/hr. The boat can travel P km in Q hours while travelling upstream and 144 km in Q hours while travelling downstream. The number of hours taken by the boat to travel 216km upstream is R hours more than that while travelling the same distance in downstream. I. The number of hours taken by the boat to cover (R x
- R km distance in downstream is 18 hrs. II. P - Q3 + R3 > 102
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