Question

Worker P can complete a task in 10 days, and worker Q can complete the same task in 15 days. If they work together for 5 days, what fraction of the task remains to be done?

• A. $\frac{2}{3}$
• B. $\frac{1}{5}$
• C. $\frac{1}{6}$
• D. $\frac{5}{6}$

Answer 1

Answer: (C)

$\frac{1}{6}$

Answer 2

The correct option is (C): $\frac{1}{6}$