Multiple choice

26 men can do a work in 17 days. How many more men will be required in order to do that work in 13 days?

  1. 9

  2. 8

  3. 6

  4. 18

  5. None of these

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

This is inverse proportion: more men means fewer days. Total work = 26 × 17 = 442 man-days. To finish in 13 days: 442 ÷ 13 = 34 men needed. Additional men = 34 - 26 = 8. Option B is correct.