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 ?

Kiran Rapria • 4.26K Points
Extraordinary Math

Q. 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) 10 days
(B) 12 days
(C) 15 days
(D) 20 days

Correct Answer - Option(C)

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