alleryएक नाविक धारा के अनुकूल 24 km की दूरी 2 घंटे में तय करता है और 3 घंटे में वापस आता है। धारा की चाल क्या है?
A1 km/h
B2.5 km/h
C2 km/h
D1.5 km/h
Answer & Solution
Correct answer: C. 2 km/h
चाल क्रमशः 12 km/h और 8 km/h हैं, इसलिए धारा की चाल = (12 - 8) / 2 = 2 km/h होगी।
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