MCQ Practice Mathematics 📖 A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is the number? A 3.5 B 6 C 8 D None of these 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 Previous8, 14, 24, 42, ......, 142 NextA number is selected at random from 40 to 50 inclusive. What is the probability that the number is prime number?
