6 workers can finish a wall in 20 days. How many days will 10 workers take?

  1. 14 days
  2. 12 days
  3. 10 days
  4. 33 days
Answer

B) 12 days

Total work = 6 20 = 120 worker-days; 120 div 10 = 12 days.

Quantitative Reasoning MCQ · More Speed, Time, Work & Ages MCQs · Practise