A can do half of a piece of work in 1 day,where B can do full. B can do half the

Question

A can do half of a piece of work in 1 day,where B can do full. B can do half the work as C in 1 day. The ratio of their efficiencies of work is = ?

Options:

A . 1 : 2 : 4

B . 2 : 1 : 4

C . 4 : 2 : 1

D . 2 : 4 : 1

Answer: Option A

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