42. A, B and C can complete a work respectively in 20, 30 and 60 days. In
how many days will A complete this work with the help of B and C
every third day?
(a) 12
(b) 12.5 (c) 15
(d) 22.5
Answers
Answered by
1
Answer:
c 15
Step-by-step explanation:
Answered by
1
Answer:
The answer is option C 15
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