প্রশ্ন সংশোধন করুন
প্রশ্ন:
The difference between the present ages of A and D is years. Seven years ago. The ratio of their ages was 5:7 respectively. What is D's present age?
The difference between the present ages of A and D is years. Seven years ago. The ratio of their ages was 5:7 respectively. What is D's present age?