Question

A can do a work in 12 days and b in 18 days.If they work together it for 5 days;what fraction of the work will be left?

Answer 1

Step-by-step explanation:

first a's1 day work-1/12

b 's 1 day work -1/18

(a+b)'s 1 day work -1/12+1/18=5/36

(a+b)'s 5 day work=25/36

left work =1-25/36=11/36