A

Ankit Singh • 6.54K Points
Tutor III Math

Q. Two pipes A and B can fill a tank in 36 min. and 45 min. respectively. Another pipe C can empty the tank in 30 min. First A and B are opened. After 7 minutes, C is also opened. The tank filled up in:

  • (A) 39 min.
  • (B) 46 min
  • (C) 40 min.
  • (D) 45 min.
  • Correct Answer - Option(B)
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  • Filed under category Math

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