The ratio of three numbers is 1:2:4 and the sum of their squares is 1701. The sum of the numbers is?  Pick one
A) A)10  B) B)12  C) C)15  D) D)14  E) E)9
Let the numbers be x,2x,4x   then, x^2+4x^2+16x^2 = 1701   21x^2 = 1701   x^2 = 81   x=9   Answer is 9
<result>E</result>
The ratio of three numbers is 1:2:4 and the sum of their squares is 1701. The sum of the numbers is?