A

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Q. Two pipes A and B can fill a tank in 10 and 15 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?

  • (A) 4 min
  • (B) 6 min
  • (C) 7 min
  • (D) 8 min
  • Correct Answer - Option(B)
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  • Filed under category Math
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