driscollr7707 driscollr7707
  • 26-02-2024
  • Mathematics
contestada

p can do a piece of work in 50 days, q in 40 days and r in 30 days respectively. If r is assisted by p on one day and by q on the next day alternately then the work gets complete?
o 17 32/35 days
o 19 ⅔ days
o 16 31/37 days
o 16 31/37 days

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