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? Choose the most appropriate option
A) 1:2:8	B) 1:2:1	C) 1:2:2	D) 1:2:4	E) 2:2:4
WC of A: B = 1:2   B: C = 1:2   ---------------------   A: B: C = 1:2:4   Answer:1:2:4
<result>D</result>
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?