Mathematics · Speed, Time and Distance
एक नाव 144 मिनट में 20 किमी धारा के अनुकूल (downstream) और 16 किमी धारा के प्रतिकूल (upstream) जा सकती है। यह 126 मिनट में 20 किमी धारा के प्रतिकूल और 16 किमी धारा के अनुकूल भी जा सकती है। शांत जल में नाव की चाल (किमी/घंटा में) क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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