One year ago Jaya was four times as old as her daughter Nikitha. Six years hence, Mrs.Jayas age will exceed her daughters age by 9 years. The ratio of the present ages of Jaya and her daughter is :
9 : 2
11: 3
12: 5
13: 4
Explanation:
Let Nikithas age 1 year ago = x
Then Jayas age 1 year ago = 4x
After 6 years their ages are 4x+7, x+7
(4x+7) - (x+7) = 9 or x = 3
Present age of Jaya = (12+1) years = 13 years
Present age of Nikitha = (3+1) years = 4 years
Ratio of their ages = 13 : 4
Let Nikithas age 1 year ago = x
Then Jayas age 1 year ago = 4x
After 6 years their ages are 4x+7, x+7
(4x+7) - (x+7) = 9 or x = 3
Present age of Jaya = (12+1) years = 13 years
Present age of Nikitha = (3+1) years = 4 years
Ratio of their ages = 13 : 4