Discussion Forum
Que. | 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 |
Correct Answer:15 days
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