Mathematics · Pipes and Cisterns
पाइप A और B अकेले एक खाली टैंक को क्रमशः 10 घंटे और 20 घंटे में भर सकते हैं। पाइप C अकेला भरे हुए टैंक को 12 घंटे में खाली कर सकता है। पाइप A, B और C मिलकर खाली टैंक को कितने घंटे में भर सकते हैं?
- 115 घंटे✓
- 218 घंटे
- 313 घंटे
- 412 घंटे
सही उत्तर देखें
15 घंटे
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