MCQ Practice Mathematics 📖 Amin purchased aTape-recorder at 9/10 of its selling price and sold it 8% more than its SP. His gain is-- A 10% B 18% C 20% D 8% 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