sum of present age of A,B,C is 90 6 years ago were in ratio 1:2:3, find present age of C?

Question

kind of problem with age

Answer 1

let,A s  Age before 6yrs is x yrs, B s age is y yrs, C s age is z yrs

So, x+y+z=90-(3x6)=72

x=1x72/1+2+3=12

y=24

z=36

So Present age of C=36+6=42                                                BY Safal Das Biswas Class X Savm

Answer 2

present age: A=18, B=30, C=42