The ratio of the present ages of Mr Dhuryodhana and Mr Dhushyasna is ` 5 : 4`. Which of the following cannot be the ratio of their ages 5 years ago?

The ratio of the present ages of Raju and his wife is 5 : 4 . Which of the following cannot be the ratio of their ages 20 years hence ?

The ratio of the present ages of Ram and Shyam is 3 : 2 . Which of the following cannot be the ratio of their ages 20 years ago?

Seven years ago the ratio of the ages of P and Q (in years) was 7 : 6 . Which of the following cannot be the ratio of their ages 6 years from now ?

Nine years ago A's age and B's age were in the ratio 5 : 7 . Which of the following cannot be the ratio of their ages 5 years from now ?

if the ratio of the ages (in years) of A and B, 5 years ago was 5:7, then which of the following can be the sum of their ages 5 years from now?

The ratio of the present ages of A and B is 5:6. Eight years ago, the ratio of their ages was 4:5. What will be the ratio of the ages of A and B after 8 years from now?