Question

what will be the answer
​

Answer 1

Answer: 8 years ago

Step by step explanation :

Let:

Woman's age be 'x'

Daughter's age be 'y'

Required No. of years be 'z'

From statement 1:

(18 years ago)

x-18=20+3(y-18)

solving above eqn : x=3y-16

From statement 2:

( z years ago)

x-z=3(y-z)

Solving above eqn: x=3y-2z

Comparing equations 1 and 2, we get:

2z =16

z=8

[Answer: 8 years ago]

Application:

8 years ago girls age was 20 mothers age was 60 ; 18 years ago girl's age was 10 mother's age was 50.