50 men can complete a work in 65 days.Five days after started the work, 20 men left the group. In how many days can the remaining work be completed?  Choose the most appropriate option.
A) 140 days.	B) 140 days.	C) 120 days.	D) 100 days.	E) 110 days.
D   100 days.   After 5 days, the following situation prevails.   50 men can complete the work in 60 days.   30 men can complete the work in ? days.   M1 100 days.1 = M2 100 days.2   =&gt; 50 * 60 = 30 * 100 days.2   =&gt; 100 days.2 = (50 * 60)/30= 
<gadget id="calculator">(50 * 60)/30</gadget>
<output>100</output>
100 days.
<result>D</result>
50 men can complete a work in 65 days.Five days after started the work, 20 men left the group. In how many days can the remaining work be completed?