Tap X can fill a tank in 12 minutes and tap Y can fill the same tank is 15 minutes, another tap Zcan empty the tank in 10 minutes. If tap X and tap Yare opened & after 6 minutes tapZ is also opened. Then find the total time taken to fill the tank?
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Answered by
0
Answer:
२० minutes
Step-by-step explanation:
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Answered by
0
Answer:
33
Step-by-step explanation:
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