A boat covers a certain distance downstream in 1 hour, while it comes back in 1.5 hour. If the speed of the stream be 3 km/hr, what is the speed of the boat in still water?

1. A boat covers a certain distance downstream in 1 hour, while it comes back in 1.5 hour. If the speed of the stream be 3 km/hr, what is the speed of the boat in still water?

[Asst. Excutive Officer 2019 [MCQ] : 2019]

1. 12 km/hre

2. 15 km/hrw

3. 13 km/hr

4. 14 km/hr

Answer

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