Mathematics Mcqs
Q A can do a certain work-in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in_________?
  • A A. 15 days
  • B B. 20 days
  • C C. 25 days
  • D D. 30 days
Leave a Comment