Bank Math Master১টি পরীক্ষায় এসেছেপ্রশ্ন ১৪The ratio of the present ages of two friends is 3 : 5. After 7 years, the ratio becomes 2 : 3. What will be the ratio of their ages after 10 years?ক31 : 45খ15 : 22গ29 : 43ঘNone of theseউত্তর দেখুন