Mathematics · Time and Work
एक टैंक में दो इनलेट, A और B हैं। अकेला A इसे 8 घंटे में भर सकता है और अकेला B इसे 4 घंटे में भर सकता है। यदि दोनों इनलेट खोल दिए जाएं, तो टैंक को भरने में कितना समय लगेगा?
- 12 घंटे
- 22 23 घंटे✓
- 34 23 घंटे
- 43 23 घंटे
सही उत्तर देखें
2 23 घंटे
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