Mathematics · Pipes and Cisterns
दो नल एक टंकी को क्रमशः 4 घंटे और 29 घंटे में भर सकते हैं। तीसरा नल इसे 29 घंटे में खाली कर सकता है। यदि सभी नल एक साथ खोल दिए जाएं, तो खाली टंकी के एक-चौथाई भाग को भरने में कितना समय (घंटों में) लगेगा?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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