প্রশ্ন সংশোধন করুন
প্রশ্ন:
In a class the ratio of boys and girls was 7 to 3. If there were 210 girls in the class, what was the number of boys in the class ?
In a class the ratio of boys and girls was 7 to 3. If there were 210 girls in the class, what was the number of boys in the class ?