Question

Ramu and Somu together can complete a task in 10 days. Somu and Dhamu together can complete it in 12 days. Dhamu and Ramu together can complete it in 15 days. If Ramu, Somu and Dhamu work together, in how many days will they complete the task?

• A. 8
• B. 6
• C. 9
• D. 7

Answer 1

Answer: (A)