📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • ✖

      Question

      12Men and 12women can complete a piece of work in 9

      days. 6 men and 15 women can complete the same work in 12 days. How long (in days) would it take 9 women to complete half the work?
      A 28days Correct Answer Incorrect Answer
      B 18days Correct Answer Incorrect Answer
      C 12days Correct Answer Incorrect Answer
      D 34days Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      12M + 12W ® 9 days   1M + 1W ® 108 days   also,   6M + 15W ® 12   2M + 5W ® 36 days   Þ 108 (1M + 1W) = 36(2M + 5W) 3M + 3W = 2M + 5W M = 2W   M: W=2:1 Total work = 36 (4 + 5) = 36 × 9 = 324 9 Women complete the half work =162/ 9 = 18 days

      Practice Next
      ask-question