MBA CDOE (USOL) Panjab University MBA Entrance Exam with MCQ Answers 2017

Practice Mode:
38.

A, B and C can do a piece of work in 20,30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day ?

A: 12 days
B: 15 days
C: 16 days
D: 18 days

The answer is: B