Mathematics · Speed, Time and Distance
एक मोटरबोट धारा के अनुकूल (downstream) 8.4 किमी और धारा के प्रतिकूल (upstream) 4.8 किमी 1 घंटे में जा सकती है। यह धारा के अनुकूल 17.5 किमी और धारा के प्रतिकूल 9 किमी 2 घंटे में जा सकती है। शांत जल में 31.2 किमी जाने में इसे कितना समय (घंटों में) लगेगा?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11.3
- 23.9
- 31.2
- 42.4✓
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2.4
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