Question
Download Solution PDFएक महिला धारा के प्रतिकूल 15/4 किमी की दूरी 3/2 घंटे में तय करती है और 13 किमी की दूरी धारा के अनुकूल 2 घंटे में तय करती है। शांत जल में 90 किमी की दूरी तय करने में महिला को कितना समय लगेगा?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया है:
धारा के प्रतिकूल:
दूरी = 15/4 किमी
समय = 3/2 घंटे
धारा के अनुकूल:
दूरी = 13 किमी
समय = 2 घंटे
प्रयुक्त सूत्र:
गति = दूरी/समय
U = धारा के प्रतिकूल गति
D = धारा के अनुकूल गति
गणना:
⇒ U = (15/4)/(3/2)
⇒ U = 2.5 किमी/घंटा
⇒ D = 13/2
⇒ D = 6.5 किमी/घंटा
शांत जल में गति = (U + D)/2
⇒ (2.5 + 6.5)/2
⇒ 9/2
⇒ 4.5 किमी/घंटा
⇒ T = D/S
⇒ 90/4.5
⇒ 20 घंटे
∴ उत्तर 20 घंटे है।
Last updated on Jun 26, 2025
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