8 children and 12 men complete a certain piece of work in 9 days. If each child takes twice the time taken by a man to finish the work, in how many days will 12 men finish the same work?
Q1. 8 children and 12 men complete a certain piece of work in 9 days. If each child takes twice the time taken by a man to finish the work, in how many days will 12 men finish the same work?
Answer: 12 days
Explanation: Since each child takes twice a man's time, 8 children = 4 men, making a total of 16 men; 12 men will take 16×9/12 = 12 days.