Question

A was twice as old as
b. two years ago. difference in their age is 2 years. find a age

Answer 1

Let the present age of A be x
& B be y,

according to question,
x=2y........i

second case:.
(x-2)-(y-2)=2
x-2-y+2=2
x-y=2....ii

putting the value of x in equation ii
x-y=2
2y-y=2
y=2
putting value of y in equation ii
x-y=2
x-2=2
x=4
A 's present age is 4 years
B's present age is 2 years.....