Question

If a:b:c =2:3:4 and a square ,+ b square+ c square=11600,then the value of (a+b+c) is

Answer 1

Let the values of A,B,C be 2x , 3x , 4x respectively.
Therefore A/B= 2x/3x 
                 B/C= 3x/4x
                 C/A= 4x/2x
= 2x/3x * 4x/3x * 2x/4x
= 4/9
A/B:B/C:C/A = 4:9:1