Question
Download Solution PDFM नळ आणि N नळ दोन्ही मिळून 20/3 तासांत एक टाकी भरू शकतात. जर M नळ फक्त 4 तासांसाठी चालू केला आणि उर्वरित टाकी N नळाने फक्त 9 तासांत भरली. तर N नळाला ती टाकी भरण्यासाठी किती तास लागतील?
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
N नळाद्वारे संपूर्ण टाकी भरण्यासाठी लागणारा वेळ = (4M + 9N)/N ची कार्यक्षमता
N नळाद्वारे संपूर्ण टाकी भरण्यासाठी लागणारा वेळ = (4 × 7 + 9 × 8)/8 = 100/8 = 25/2
∴ N नळाद्वारे संपूर्ण टाकी भरण्यासाठी 12.5 तास लागतील.
Last updated on Jun 13, 2025
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