A group of men decided to do a work in 20 days, but 10 of them became absent. If the rest of the group did the work in 40 days, Find the original number of men?  Select:	A) 20	B) 50	C) 40	D) 100	E) 25
Original number of men = 10*40 / (40-20)= 
<gadget id="calculator">10*40 / (40-20)</gadget>
<output>20</output>
20   20nswer is 20
<result>A</result>
A group of men decided to do a work in 20 days, but 10 of them became absent. If the rest of the group did the work in 40 days, Find the original number of men?