alleryएक बोट स्थिर पाण्यात 12 km/h वेगाने फिरते; प्रवाह 3 km/h आहे. 27 km डाउनस्ट्रीम आणि मागे जाण्याची वेळ?
A4 h
B4.5 h
C4.8 h
D5 h
Answer & Solution
Correct answer: C. 4.8 h
डाउनस्ट्रीम आणि अपस्ट्रीम वेळा 27/15 आणि 27/9 तास आहेत, एकूण 4.8 तास.
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