Mathematics · Time and Work
पाइप A एक टैंक को 20 घंटे में भर सकता है और पाइप B इसे 30 घंटे में भर सकता है। पाइप C पूरे भरे हुए टैंक को 60 घंटे में खाली कर 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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15 घंटे
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