Question

The ratio of present ages of two sisters is1:2 . And six years back the ratio was 1:3. What wil be the ratio of the ages after six years

Answer 1

X/Y =1/2 => 2X-Y =0

X-6/Y-6= 1/3 => 3X-Y= 12

X =12, Then Y =24

So after six years 18/30 = 3/5