x, y, a, and b are positive integers. When x is divided by y, the remainder is 6. When a is divided by b, the remainder is 14. Which of the following is NOT a possible value for y + b?	Answers:
A) 24
B) 21
C) 20
D) 17
E) 15
Important note: remainder is ALWAYS less than divisor, thus y&gt;6 and b&gt;14 --&gt; y+b&gt;20.   Answer: 20.
<result>C</result>
x, y, a, and b are positive integers. When x is divided by y, the remainder is 6. When a is divided by b, the remainder is 14. Which of the following is NOT a possible value for y + b?