Sum of the squares of 3 no. is 276 and the sum of their products taken two at a time is 150. Find the sum?	Choose the correct answer:
A) 22
B) 18
C) 26
D) 24
E) 32
(a + b + c)2 = a2 + b2 + c2 + 2(ab +bc + ca) = 276 + 2* 150   a + b + c = âˆš576 = 24   Answer 24
<result>D</result>
Sum of the squares of 3 no. is 276 and the sum of their products taken two at a time is 150. Find the sum?