It was calculated that 75 men could complete a piece of work in 25 days. When work was scheduled to commence, it was found necessary to send 25 men to another project. How much longer will it take to complete the work? Choose the correct choice from the following answers
A) 28 days.  B) 30 days.  C) 37.5 days.  D) 40 days.  E) 36 days.
One day work = 1 / 25   One man’s one day work = 1 / ( 25 * 75)   Now:   No. Of workers = 50   One day work = 50 * 1 / ( 25 * 75)   The total no. of days required to complete the work = (75 * 25) / 50= 
<gadget id="calculator">(75 * 25) / 50</gadget>
<output>75/2 = around 37.5</output>
37.5   Answer:37.5 days.
<result>C</result>
It was calculated that 75 men could complete a piece of work in 25 days. When work was scheduled to commence, it was found necessary to send 25 men to another project. How much longer will it take to complete the work?