প্রশ্ন সংশোধন করুন
প্রশ্ন:
A man swimming in a stream which flows km/hr finds that in a given time he can swim twice as far with the stream as he can against it. At what rate does he swim?
A man swimming in a stream which flows km/hr finds that in a given time he can swim twice as far with the stream as he can against it. At what rate does he swim?