alleryशांत जल में 8 किमी/घंटा की चाल वाली एक नाव 2 किमी/घंटा की धारा के साथ (धारा के अनुकूल) 30 किमी जाती है। धारा के अनुकूल यात्रा में कितना समय लगेगा?
A2 घंटे
B5 घंटे
C3 घंटे
D4 घंटे
Answer & Solution
Correct answer: C. 3 घंटे
धारा के अनुकूल चाल 10 किमी/घंटा है, इसलिए 30 / 10 = 3 घंटे।
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