In a garment industry, 12 men working 8 hours per day complete a piece of work in 10 days. To complete the same work in 8 days, working 20 hours a day, the number of men required is:	Choose the most appropriate option.
A) 4  B) 5  C) 6  D) 8  E) 9
Explanation :   Let the required number of men be x.   Less days, More men (Indirect Proportion)   More working hrs per day, Less men (Indirect Proportion)   Days 8 : 10   Working Hrs 20 : 8 :: 12 : x   =&gt; 8 x 20 x x = 10 x 8 x 12   =&gt; x = 10 x 8 x 12 / (8 x 20)   =&gt; x = 6   Answer : 6
<result>C</result>
In a garment industry, 12 men working 8 hours per day complete a piece of work in 10 days. To complete the same work in 8 days, working 20 hours a day, the number of men required is: