The ratio of three numbers is 1:2:3 and the sum of their squares is 2016. The sum of the numbers is? Choose the correct choice from the following answers:
A) A)10
B) B)12
C) C)15
D) D)14
E) E)9
Let the numbers be x,2x,3x   then, x^2+4x^2+9x^2 = 2016   14x^2 = 2016   x^2 = 144   x=12   Answer is 12
<result>B</result>
The ratio of three numbers is 1:2:3 and the sum of their squares is 2016. The sum of the numbers is?