The sum of the present ages of A and B is 60 years. 12 years ago the ratio of the age of A and B was 5 : 4. Find the present age of A.
Answer & explanation
Correct answer: option 2
Sum of present age of A & B = 60
Sum of age of A & B, 12 years ago = 60 - 24 = 36
ATQ,
A : B
12 years ago: 5 : 4 = 9
9R =36
1R = 4
A's age, 12 years ago = 5R = 5× 4 = 20
A's present age = 20 + 12 = 32 years.