A can do a piece of work 60 days. B can do work in 90 days. In how many days they will complete the work together?	Choose the correct answer:
A) 36 days B) 32 days C) 19 days D) 17 days E) 18 days
LCM = 180, Ratio= 60:90=2:3   No of days= 180/(2 + 3) = 180/5= 
<gadget id="calculator">180/5</gadget>
<output>36</output>
36 days   36 daysNSWER:36 days
<result>A</result>
A can do a piece of work 60 days. B can do work in 90 days. In how many days they will complete the work together?