A is 1.5 times efficient as B therefore takes 8 days less than B to complete a work. If A and B work on alternate days and A works on first day, then in how many days the work will be completed?

A is 1.5 times efficient as B therefore takes 8 days less than B to co

1.	A is 1.5 times efficient as B therefore takes 8 days less than B to complete a work. If A and B work on alternate days and A works on first day, then in how many days the work will be completed?
A.	17
B.	19
C.	19.5
D.	21
Answer» C. 19.5

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A is 1.5 times efficient as B therefore takes 8 days less than B to complete a work. If A and B work on alternate days and A works on first day, then in how many days the work will be completed?

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