The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is	Choose the most appropriate option:
A) 20  B) 23  C) 27  D) 150  E) 255
Explanation:   We know   (x+y)2=x2+y2+2xy   =&gt;(x+y)2=289+2(120)   =&gt;(x+y)=529−−−√=23   Option 23
<result>B</result>
The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is