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1. A tap can fill a tank in 6 hours . After half the tank is filled another simila tap is opened. What is the total time taken to fill the tank completely?

  • A. 3 h 30 m
  • B. 3 h 30 m
  • C. 3 h 30 m
  • D. 3 h 30 m

Answer: Option C

Explanation:

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