The following table shows a survey on phone usage in a township Consider the following information and answer the questions based on it - Age (years) Basic phone Smart phone No phone 4 - 12 300 500 10013 - 19 550 1600 10020 - The ratio between those who use more than 60 600 1000 30060 and 250 250 300 600 phone is

• A. 11ः34
• B. 35ः17
• C. 51ः11
• D. 34ः27