state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 Quantitative Aptitude Time and Work Work Efficiency
Ram, Mohan, and Rakesh can do a piece of work in 20, 30 and 60 days respectively. In how many days can Ram do the work if he is assisted by Mohan and Rakesh on every third day?
1
18 days
2
16 days
3
12 days
4
15 days