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1. A boat goes 8 km in one hour along the steam and 2 km in one hour against the stream, The speed in km/hr of the stream is.
- A. 2
- B. 2
- C. 2
- D. 2
Answer: Option B
Explanation:
boat speed + steam speed = 8 km/hour
boat speed - steam speed = 2 km/hour
(Doing Subtraction), 2*(steam speed) = 6 km/hour
steam speed = 6/2 = 3 km/hour (Ans)
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