Mathematics · Time and Work
एक टैंक को पाइप A द्वारा 3 घंटे में और पाइप B द्वारा 5 घंटे में भरा जा सकता है। सुबह 7 बजे पाइप A को खोला गया। यदि पाइप B को सुबह 8 बजे खोला जाता है, तो टैंक किस समय भर जाएगा?
- 110 : 00 am
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सही उत्तर देखें
9 : 15 am
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