At present, the ratio between the ages Karim and Rahim is 4 : 3. After 6 years, Karim's age will be 26 years. What is the age of Rahim at present?
ক
12 years
খ
15 years
গ
1912 years
ঘ
21 years
সঠিক উত্তর: 15 years