Question

How old will I be after 20 years, if my age before 10 years was ‘x’ years? *​

Answer 1

Answer:

let the present Age be 'y'

age before 10 years =y-10

according to question,

y-10=x

y=x+10

age after 20 yeay= y+20

y+20=x+10+20 = X+30