A and B can do a piece of work in 12 days, B and C in 15 days, and C and A in 20 days. How many days would it take for A, B, and C to finish the work together?
Q1. A and B can do a piece of work in 12 days, B and C in 15 days, and C and A in 20 days. How many days would it take for A, B, and C to finish the work together?
Answer: 10 days
Explanation: The correct value is 10 days. Apply the formula or arithmetic step shown in the question and