A man runs for 10 minutes at a uniform speed of 18 km/h. At what speed should he run for next 20 minutes so that the average speed becomes 24 km/h?

एक व्यक्ति 10 मिनट के लिए 18 km/h की एकसमान चाल से दौड़ता है। उसे अगले 20 मिनट के लिए किस चाल से दौड़ना चाहिए ताकि उसकी औसत चाल 24 km/h हो जाए?

27 km/h

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32 km/h

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26 km/h

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22 km/h

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Solution

The correct option is A 27 km/h

Solution

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