Multiple choice

A job requires 20 man-days to complete. How many men are needed to finish it in 10 days?

  1. 18

  2. 1

  3. 2

  4. 9

  5. 14

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

Work = Men * Days. 20 man-days = M * 10 days. M = 20 / 10 = 2 men.

AI explanation

Using the man-days formula, the number of men required is the total man-days divided by the number of days available. Dividing 20 man-days by 10 days gives 2 men. The result is 2.