Mathematics · Speed, Time and Distance
एक नाव धारा की अनुकूल दिशा (downstream) में 3 घंटे में 30 किमी और धारा की प्रतिकूल दिशा (upstream) में 6 घंटे में उतनी ही दूरी तय करती है। शांत जल में नाव की गति क्या है?
- 110 किमी/घंटा
- 28.5 किमी/घंटा
- 39 किमी/घंटा
- 47.5 किमी/घंटा✓
सही उत्तर देखें
7.5 किमी/घंटा
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