For which of the following values of n is (900+n)/n NOT an integer? Choose the correct choice from the following options.
A) 1
B) 2
C) 3
D) 4
E) 5
Solution:   This problem is easiest solved by plugging in each answer choice.   A) (900 + 1)/1 = 901/1= 
<gadget id="calculator">901/1</gadget>
<output>901</output>
901   Answer choice A yields an integer.   B) (900 + 2)/2= 902/2= 
<gadget id="calculator">902/2</gadget>
<output>451</output>
451   Answer choice B yields an integer.   C) (900 + 3)/3= 903/3= 
<gadget id="calculator">903/3</gadget>
<output>301</output>
301   Answer choice C yields an integer.   D) (900 + 4)/4= 904/4 = 223, remainder 2   Answer choice D DOES NOT yield an integer.   E) (900 + 5)/5 = 905/5= 
<gadget id="calculator">905/5</gadget>
<output>181</output>
181   Answer choice E yields an integer.   Thus, the correct answer is answer choice 4.
<result>D</result>
For which of the following values of n is (900+n)/n NOT an integer?