50 men do a work in 100days. How many men are needed to finish the work in 20days? Choices
A) 50
B) 100
C) 250
D) 300
E) 400
men required to finish the work in 2days = 50*100/20= 
<gadget id="calculator">50*100/20</gadget>
<output>250</output>
250   Answer is 250
<result>C</result>
50 men do a work in 100days. How many men are needed to finish the work in 20days?