Mathematics · Speed, Time and Distance
एक मोटरकार 20 मीटर/सेकंड की गति से एक निश्चित यात्रा 9 घंटे में पूरी कर सकती है। उसी दूरी को 8 घंटे में तय करने के लिए, मोटरकार की गति (किमी/घंटा में) कितनी बढ़ाई जानी चाहिए?
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