Rahul is as much younger than Sagar as he is older than Purav. If the sum of the ages of Purav and Sagar is 66 years, and Sagar's age is 48 years, then what is the difference between Rahul and Purav's age?

• ক 20 years
• খ 18 years
• গ 15 years ✅ সঠিক উত্তর
• ঘ 10 years