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Raksha

· started a discussion

· 1 Months ago

Please answer as soon as possible (Question:591143.0)

please tell me what we have done in this question

Question:
Two pipes can separately fill a tank in 20 hrs and 30 hrs respectively. Both the pipes are opened to fill the tank but when the tank is \(\cfrac{1}{3}\) full a leak develops in the tank through which \(\cfrac{1}{3}\) of the water supplied by both the pipes per hour leak out. What is the total time taken to fill the tank?
Options:
A) 12 hrs
B) 14 hrs
C) 16 hrs
D) 18 hrs
Solution:
Ans (c)  

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