Q. Pipe A can fill a tank in 12 hours and pipe B can empty it in 15 hours. If both pipes are opened simultaneously, find the time taken to fill half the tank.

पाइप A एक टंकी को 12 घंटे में भर सकता है और पाइप B इसे 15 घंटे में खाली कर सकता है। यदि दोनों पाइप एक साथ खोले जाएं, तो आधा टैंक भरने में लगने वाला समय ज्ञात कीजिए।

6 hours
6 घंटे

8 hours
8 घंटे

10 hours
10 घंटे

12 hours
12 घंटे

Explanation will be available soon. Please stay tuned.

व्याख्या जल्द ही उपलब्ध होगी। कृपया बने रहें।

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