Mathematics · Time and Work
पहला पाइप एक टैंक को 12 घंटे में भर सकता है। दूसरा पाइप उसी टैंक को 6 घंटे में भर सकता है और तीसरा पाइप उसे 4 घंटे में भर सकता है। यदि तीनों पाइपों को एक साथ खोल दिया जाए तो टैंक को भरने में कितना समय लगेगा?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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