- A20
- B14
- C24
- D28
Step-by-Step Solution
Downstream speed 10 km/h, upstream speed 4 km/h. d/10 + d/4 = 7 gives 14d/40 = 7, so d = 20 km.
Answer: A) 20
Salim rows at 7 km/h in still water on a river flowing at 3 km/h. He rows to a ghat and back in 7 hours in all. How far is the ghat (in km)?
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