MCQ Practice Mathematics 📖 নিচের কোন সংখ্যাটি মৌলিক?/Which of the following is a prime number? A ৪৯ B ৫১ C ৫৩ D ৫৫ 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