Question
Download Solution PDF35 किमी की दूरी तय करते हुए, एक व्यक्ति ने देखा कि 4 घंटे 15 मिनट साइकिल चलाने के बाद, उसके द्वारा तय की गई दूरी, शेष दूरी की \(\frac{4}{3}\) थी। उसकी गति (किमी/घंटा में, एक दशमलव स्थान तक पूर्णांकित) क्या थी?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
कुल दूरी = 35 किमी
लिया गया समय = 4 घंटे 15 मिनट = 4.25 घंटे
तय की गई दूरी = शेष दूरी की \(\frac{4}{3}\)
प्रयुक्त सूत्र:
गति = दूरी ÷ समय
गणना:
माना, शेष दूरी = x किमी
⇒ तय की गई दूरी = \(\frac{4}{3}x\)
लेकिन कुल दूरी = तय की गई दूरी + शेष दूरी
⇒ \(\frac{4}{3}x + x = 35\)
⇒ \(\frac{7x}{3} = 35\)
⇒ x = \(\frac{35 × 3}{7} = 15\)
⇒ तय की गई दूरी = \(\frac{4}{3} × 15 = 20\) किमी
गति = दूरी ÷ समय = 20 ÷ 4.25 = 4.7
∴ सही उत्तर 4.7 किमी/घंटा (एक दशमलव स्थान तक पूर्णांकित) है।
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