One year ago, Riya was four times as old as her sister Priya. Six years hence, Riya’s age will exceed her sister’s age by 9 years. The ratio of the present ages of Riya and her sister is:
1
12 : 5
2
17 : 8
3
13 : 4
4
18 : 5
5
11 : 7
One year ago, Riya was four times as old as her sister Priya. Six years hence, Riya’s age will exceed her sister’s age by 9 years. The ratio of the present ages of Riya and her sister is: