- A7
- B4
- C5
- D6
Step-by-Step Solution
Downstream time = 48/8 = 6 hours, so upstream time = 14 − 6 = 8 hours. Upstream speed = 48/8 = 6 km/h.
Answer: D) 6
A man rows to a place 48 km away and comes back, taking 14 hours in all. If his downstream speed is 8 km/h, find his upstream speed (in km/h).
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