- A12
- B8
- C9
- D10
Step-by-Step Solution
Downstream speed = 36 ÷ 3 = 12 km/h and upstream speed = 24 ÷ 3 = 8 km/h. Boat speed = (12 + 8) ÷ 2 = 10 km/h.
Answer: D) 10
A boat covers 36 km downstream in 3 hours and 24 km upstream in 3 hours. Find the speed of the boat in still water (in km/h).
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