search
Q: P, Q and R can do a place of work in 9 days, 18 days and 12 days, respectively. They start the work, with P working on Day 1, Q working on Day 2 and R working on Day 3, and then continuing with this cycle till the work got is completed. How many days will be needed to complete this work in this manner?
  • A. 11 days
  • B. 15 days
  • C. 16 days
  • D. 12 days
Correct Answer: Option D -
answer image

Explanations:

explanation image