The respective ratio of the ages of Shami, Nammi and Pammi is 3 : 4 : 5. The sum of their ages is 48 years. What will be the respective ratio of their ages 8 years hence?

• A. 4 : 5 : 6
• B. 5 : 6 : 7
• C. 5 : 7 : 8
• D. 6 : 7 : 8