Question
Download Solution PDFश्रीमान् W क्रमशः 37 किमी/घंटा, 5 किमी/घंटा और 8 किमी/घंटा की गति से 370 किमी, 390 किमी और 720 किमी की यात्रा करती है। किमी/घंटा में उनकी औसत गति ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
दूरी 1 (d1) = 370 किमी
गति 1 (s1) = 37 किमी/घंटा
दूरी 2 (d2) = 390 किमी
गति 2 (s2) = 5 किमी/घंटा
दूरी 3 (d3) = 720 किमी
गति 3 (s3) = 8 किमी/घंटा
प्रयुक्त सूत्र:
औसत गति = कुल दूरी / कुल समय
कुल दूरी = d1 + d2 + d3
कुल समय = (d1 / s1) + (d2 / s2) + (d3 / s3)
गणनाएँ:
कुल दूरी = 370 + 390 + 720
⇒ कुल दूरी = 1480 किमी
कुल समय = (370 / 37) + (390 / 5) + (720 / 8)
⇒ कुल समय = 10 + 78 + 90
⇒ कुल समय = 178 घंटे
औसत गति = कुल दूरी / कुल समय
⇒ औसत गति = 1480 / 178 = 740 / 89
⇒ औसत गति = 8
∴ सही उत्तर विकल्प (2) है।
Last updated on Jul 19, 2025
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