20 men do a work in 20days. How many men are needed to finish the work in 5days?
Choose the correct choice from the following:
A) 50	B) 20	C) 80	D) 10	E) 15
men required to finish the work in 5days = 20*20/5= 
<gadget id="calculator">20*20/5</gadget>
<output>80</output>
80   Answer is 80
<result>C</result>
20 men do a work in 20days. How many men are needed to finish the work in 5days?