- A3 km/h
- B6 km/h
- C15 km/h
- D5 km/h
Step-by-Step Solution
Downstream = 36/2 = 18 km/h, upstream = 36/3 = 12 km/h. Current = (18 − 12)/2 = 3 km/h.
Answer: A) 3 km/h
A motorboat goes 36 km downstream in 2 hours and comes back upstream in 3 hours. What is the speed of the current?
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