Mathematics · Speed, Distance and Time
एक नाव धारा के अनुकूल 40 किमी की दूरी 2 घंटे में तय करती है। धारा के प्रतिकूल वापस आते समय, नाव को समान दूरी तय करने में 30 मिनट अधिक लगते हैं। धारा की चाल (किमी/घंटा में) क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 किमी/घंटा✓
- 21.5 किमी/घंटा
- 31.4 किमी/घंटा
- 41 किमी/घंटा
सही उत्तर देखें
2 किमी/घंटा
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