MCQ Practice Mathematics 📖 একটি 10,000 টাকার বিলের উপর এককালীন 40%কমতি এবং... 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 This question appeared in BCS 13th Preliminary Question Bank Quiz and Solution Mathematics 1991 Question 7