alleryएक साइकिल चालक 20 km को 10 km/h पर, फिर 40 km को 20 km/h पर चलाता है। कुल समय?
A3 घंटे
B6 घंटे
C5 घंटे
D4 घंटे
Answer & Solution
Correct answer: D. 4 घंटे
दो चरणों में 20 ÷ 10 = 2 घंटे और 40 ÷ 20 = 2 घंटे लगते हैं, कुल मिलाकर 4 घंटे।
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