Multiple choice

9 men and 13 women can do a piece of work in 24 days , then in how many days 36 men and 52 women can do that work ?

  1. 4 days

  2. 12 days

  3. 8 days

  4. 6 days

  5. Cannot be determined

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The work force is quadrupled (36 men is 4×9 men, 52 women is 4×13 women). Using direct variation, when work is constant and resources increase proportionally, time decreases proportionally. New time = 24/4 = 6 days.