Mathematics · Time and Work
एक नल किसी टंकी को 4 घंटे में भर सकता है। दूसरा नल उसी टंकी को 6 घंटे में भर सकता है। यदि दोनों नलों को एक ही समय पर खोल दिया जाए, तो खाली टंकी को पूरी तरह भरने में कितना समय लगेगा?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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