Mathematics · Speed, Time and Distance
एक व्यक्ति अनुप्रवाह (downstream) में 2 घंटे में 20 किमी नाव चलाता है और प्रतिप्रवाह (upstream) में समान दूरी 4 घंटे में तय करके वापस आता है। शांत जल में नाव की गति निर्धारित कीजिए।
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19.5 किमी/घंटा
- 28.5 किमी/घंटा
- 37.5 किमी/घंटा✓
- 46.5 किमी/घंटा
सही उत्तर देखें
7.5 किमी/घंटा
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