The ages of Shakti and Kanti are in the ratio of 8 : 7 respectively. After 10 years, the ratio of their ages will be 13 : 12. What is the difference between their ages ?

• ক None of these
• খ 8 Years
• গ 4 Years
• ঘ 2 Years ✅ সঠিক উত্তর