engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Quantitative Aptitude Time and Work Work Efficiency
In completing a task, A is thrice as fast as C and B is twice as fast as C. When all three work together, they can compete the task in 15 days. In how many days can A alone complete the task?
1
20 days
2
30 days
3
45 days
4
90 days