Question

sudha is twice as old as her brother. three years ago ,sudha age was 3 times of her brother age . find the age of sudha​

Answer 1

age of surdas brother is equal to x4 years

age of Sudha is equal to 2 x 4 years

3 years ago age of Sudha is equal to (2x-3) years

Indies of her brother is equal to ( x-3) years

according to question

(2x-3)=3(x-3)

2x-3=3x-9=X=6

age of Sudha is equal to 6×2=12 years

Answer 2

sudha brother is x
such a is 2x.
3yrs ago sudha brother was x-3 and sudha 2x-3
a.q. 2x-3=3(x-3)
=2x-3x=3-9
=-x= -6
=x= -6/-1
=x=6
sudha Present age is 2x= 2×6=12 years