Some persons can do a piece of work in 16 days. Two times the number of these people will do half of that work in?
Choose the correct choice from the following answers:  A) 3  B) 4  C) 5  D) 6  E) 8
16/ (2 * 2)= 
<gadget id="calculator">16/ (2 * 2)</gadget>
<output>4</output>
4 days   Answer:4
<result>B</result>
Some persons can do a piece of work in 16 days. Two times the number of these people will do half of that work in?