Mathematics · Data Sufficiency
Directions: The question below is followed by two statements labeled I and II. Decide if these statements are sufficient to conclusively answer the question. Find the speed of Boat P and Boat Q in still water. Statement I: Boat P covers 100 km downstream in 4 hours and Boat Q covers 140 km downstream in 4 hours. The sum of the speeds of both boats in still water is 50 km/hour. Statement II: Boat Q covers 75 km upstream in 3 hours. The speed of the stream is 5 km/hour. The difference between the speed of boat P and Q in still water is 10 km/hour.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Statement I alone is sufficient.
- 2Statement II alone is sufficient.✓
- 3Either Statement I alone or Statement II alone is sufficient.
- 4Neither Statement I nor Statement II is sufficient.
Correct answer
Statement II alone is sufficient.
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