Mathematics Mcqs
Q P, Q and R can do a work in 20, 30 and 60 days respectively. How many days does it need to complete the work if P does the work and he is assisted by Q and R on every third day?
  • A A. 10 days
  • B B. 14 days
  • C C. 15 days
  • D D. 9 days
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