Mathematics · Speed, Time and Distance
Determine the sufficiency of the statements to answer the question: What is the difference between the downstream speed of Boat P and Boat Q, if both travel in the same river? Statement I: The average speed of Boat P and Boat R in still water is 6 km/h more than the average speed of Boat Q and Boat R in still water. Statement II: Boat P takes 2 hours less than Boat Q to cover 40 km upstream. The speed of the current is 2 km/h.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Statement II alone is sufficient
- 2Statement I alone is sufficient✓
- 3Either Statement I alone or Statement II alone is sufficient
- 4Both statements together are required
Correct answer
Statement I alone is sufficient
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