MCQ Practice Mathematics 📖 Father's age is 4 times his son's age now. 20 years from now son's age will be half of his father's age. What is difference i... 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 PreviousDina is 10 years younger than Mimi. If in 5 years Mimi will be twice as old as Dina, how old will Dina be in 3 years? NextFour years ago Sumon's age was half of what it will be in eight years. How old is Sumon?