Question
Download Solution PDFनल M और नल N दोनों एक साथ 20/3 घंटे में एक टैंक भर सकते हैं। यदि नल M केवल 4 घंटे कार्य करता है, और शेष टैंक नल N केवल 9 घंटे में भरता है। नल N द्वारा टैंक को भरने में कितने घंटे लगेंगे?
Answer (Detailed Solution Below)
Detailed Solution
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प्रश्नानुसार
⇒ (M + N) × 20/3 = 4M + 9N
⇒ 20M + 20N = 12M + 27N
⇒ 8M = 7N
⇒ M/N = 7/8
नल N द्वारा टैंक को भरने के लिए = (4M + 9N)/N की दक्षता
नल N द्वारा टैंक को भरने के लिए = (4 × 7 + 9 × 8)/8 = 100/8 = 25/2
∴ नल N द्वारा टैंक को भरने के लिए 12.5 घंटे हैं।Last updated on Jul 17, 2025
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