10 men do a work in 10days. How many men are needed to finish the work in 4days?
Choose the most appropriate option:
A) 25 B) 20 C) 30 D) 10 E) 15
men required to finish the work in 4days = 10*10/4= 
<gadget id="calculator">10*10/4</gadget>
<output>25</output>
25   25nswer is 25
<result>A</result>
10 men do a work in 10days. How many men are needed to finish the work in 4days?