ব্যাংক মডেল টেস্ট [সাপ্তাহিক]১টি পরীক্ষায় এসেছেপ্রশ্ন ৫২Today is Hasan's 12th birthday and his father's 40th birthday. How many years from today will Hasan's father be twice as old as Hasan at that time?ক16 yearsখ20 yearsগ10 yearsঘ12 yearsউত্তর দেখুন