- A20 km/h
- B12 km/h
- C64 km/h
- D16 km/h
Step-by-Step Solution
Downstream, the current adds to the boat: 16 + 4 = 20 km/h. (12 km/h would be the upstream speed.)
Answer: A) 20 km/h
A motorboat's speed in still water is 16 km/h and the Ganga flows at 4 km/h near Varanasi. What is the boat's speed going downstream?
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