The ratio of three numbers is 3:4:5 and the sum of their squares is 1250. The sum of the numbers is?	Select
A) 2
B) 3
C) 4
D) 6
E) 5
Let the numbers be 3x,4x,5x   then, 9x^2+16x^2+25x^2 = 1250   50x^2 = 1250   x^2 = 25   x=5   Answer is 5
<result>E</result>
The ratio of three numbers is 3:4:5 and the sum of their squares is 1250. The sum of the numbers is?