প্রশ্ন ও উত্তর
The speed of a boat in still water is 10 km/hr. If it can travel 26 km downstream and 14 km upstream in the same time, the speed of the stream is:
গণিত Boat and Stream 08 Oct, 2020
প্রশ্ন The speed of a boat in still water is 10 km/hr. If it can travel 26 km downstream and 14 km upstream in the same time, the speed of the stream is:
সঠিক উত্তর
3 km/hr
মন্তব্য
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