Mathematics Mcqs
Q A large tanker can be filled by two pipes A and B in 60 and 40 minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill it together for the other half?
  • A A. 15 min
  • B B. 20 min
  • C C. 27.5 min
  • D D. 30 min
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