A contractor undertook to do a certain piece of work in 6 days. He employed certain number of men, but 5 of them being absent from the very first day, the rest could finish the work in 10 days. The number of men originally employed were :
Choose the correct choice from the following choices:
A) 12 B) 10 C) 13 D) 11 E) None of these
Explanation :   Let there be x men at the beginning. Less men, More days (Indirect Proportion)   12 : 6 :: x : (x - 5) 12 (x - 5) = 6x &lt;=&gt; 6x = 60 x = 10   Answer : 10
<result>B</result>
A contractor undertook to do a certain piece of work in 6 days. He employed certain number of men, but 5 of them being absent from the very first day, the rest could finish the work in 10 days. The number of men originally employed were :