A can do half the work in one day where as B can do it full. B can also do half the work of C in one day. Ratio in their efficiency will be?

Question:A can do half the work in one day where as B can do it full. B can also do half the work of C in one day. Ratio in their efficiency will be?

1.4:2:1

2.2:4:1

3.2:1:4

4.1:2:4


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