Multiple choice

5 men can complete a piece of work in 6 days, while 10 women can do it in 5 days. 5 women and 3 men will take how many days to complete this work?

  1. $4$
  2. $5$
  3. $6$
  4. $8$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

5 men × 6 days = 30 man-days. Each man-day = 1/30 work. 10 women × 5 days = 50 woman-days. Each woman-day = 1/50 work. 5 women + 3 men do 5/50 + 3/30 = 1/10 + 1/10 = 1/5 work daily. 5 days total.

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