MCQ Practice Mathematics 📖 ৫, ১০, ৮ এর চতুর্থ সমানুপাতি কত? A ১২ B ১৬ C ২০ D ৪ Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up Previous৪ঃ২৫ এর দ্বিগুণানুপাত কত? Next5 years ago the ratio of father's age to son's age was 5 : 1 and 2 years later father's age will be 3 times his son's age. Wh...
