100 men started working to complete a work in 50 days.After working 8hours/day they had completed 1/3rd of the work in 25 days.How many men should be hired so that they will finish the work in time by working 10 hours/day.	Select.
A) 30 men  B) 60 men  C) 90 men  D) 100 men  E) 120 men
Working 8 hours/day, in 25 days, 100 men completes 8*25*100= 
<gadget id="calculator">8*25*100</gadget>
<output>20_000</output>
20000 men hours which is 1/3 of the work, So remaining 2/3 work to be completed=20000*(2/3)/(1/3)= 
<gadget id="calculator">20000*(2/3)/(1/3)</gadget>
<output>40_000</output>
40000 men hours.   If with 'x' extra men hired ,remaining work is to be completed in  50-25= 
<gadget id="calculator"> 50-25</gadget>
<output>25</output>
25 days , working 10 hours/day, then, (100+x)*25*10=40000, 25000+250x=40000, x=60 men   ANSWER:60 men
<result>B</result>
100 men started working to complete a work in 50 days.After working 8hours/day they had completed 1/3rd of the work in 25 days.How many men should be hired so that they will finish the work in time by working 10 hours/day.