Question: A worker can complete a task in 12 days. If he works for 4 days, what percentage of the work is completed?

Options:

1. 25%
2. 33.33%
3. 50%
4. 66.67%

Correct Answer: 33.33%

Solution:

In 4 days, he completes 4/12 = 1/3 of the work, which is 33.33%.