MCQ Practice Mathematics 📖 a + b = 5, a-b = 3 হলে ab = ? ক 2খ 4গ 5ঘ 6 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 Primary Recruitment Model Test 2021 08 Question 46 Primary Recruitment Model Test 2021 08 Question 46 Previousa : b = 4 : 7 এবং b : c = 5 : 6 হলে a : b : = কত? Nexta + b = 5 এবং a - b = 3 হলে, ab এর মান কত ?
