Multiple choice

Four boys can complete a peice of work in 12 days. How many boys required for completing the same amount of work in six days?

  1. 10 boys

  2. 8 boys

  3. 9 boys

  4. 6 boys

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

Using inverse proportion: if 4 boys complete work in 12 days, then 4 × 12 = 48 boy-days are needed. To finish in 6 days, divide 48 by 6 = 8 boys. This is a standard work-rate problem where more workers reduce time proportionally.