If the simple interest on a sum of money for 15 months at 7(1/2) % per annum exceeds the simple interest on the same sum for 8 months at 12121212 % per annum by Rs. 32.50, then the sum of money ( In Rs.) is ?

• ক Rs. 3120.50
• খ Rs. 312.50
• গ Rs. 312
• ঘ Rs. 3120 ✅ সঠিক উত্তর