Mathematics · Work and Time
एक इनलेट पाइप A एक टैंक को 12 घंटे में भर सकता है, जबकि एक आउटलेट पाइप B भरे हुए टैंक को 18 घंटे में खाली कर सकता है। यदि टैंक खाली होने पर दोनों पाइपों को एक साथ खोल दिया जाए, तो टैंक को पूरी तरह भरने में कितना समय लगेगा?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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