প্রশ্ন ও উত্তর
A man rowing in favour of current can go 80 km in 10 hrs and he can go the same distance in 40 hrs against the current. What is the speed of the current per hour?
গণিত Boat and Stream 07 Oct, 2020
প্রশ্ন A man rowing in favour of current can go 80 km in 10 hrs and he can go the same distance in 40 hrs against the current. What is the speed of the current per hour?
সঠিক উত্তর
3 km
মন্তব্য
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