Question

A/3=B/4=C/5,then A:B:C=?

Answer 1

Hiii...

let .. A / 3 = B / 4 = C /5 = k ...

A = 3k , B = 4k and C = 5k ....

A : B : C = 3 : 4 : 5 .....

Answer 2

let,  

a/3 = b/4 = c/5 =k [where k is a constant]  

then,  

a= 3k, b= 4k, c=5k  

now,  

a:b:c= 3k:4k:5k = 3;4;5