A and B together can do a piece of work in 60 days, A and C can do the same work in 45 days. The ratio of Work efficiency of B and C is 1:2. In how many days they together can do the same work?

1:

30 days

2:

25 days

3:

24 days

4:

36 days

5:

None of these.

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IBPS RRB PO Prelims 2017

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