The product of two numbers is 220 and the sum of their squares is 289. The sum of the number is?	Answers.
A) A)23  B) B)25  C) C)27  D) D)31  E) E)35
Let the numbers be x and y.   Then, xy = 220 and x2 + y2 = 289.   (x + y)2 = x2 + y2 + 2xy = 289 + (2 x 220) = 729   x + y = 27.   Option 27
<result>C</result>
The product of two numbers is 220 and the sum of their squares is 289. The sum of the number is?