Mathematics · Pipes and Cisterns
एक टंकी को एक पाइप 8 घंटे में भर सकता है और दूसरा पाइप 12 घंटे में खाली कर सकता है। यदि दोनों पाइप एक साथ खोल दिए जाएं, तो टंकी को भरने में कितना समय लगेगा?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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