A sum of ₹8,235 is divided between A, B, C and D such that the ratio of the shares of A and B is 3 : 4, that of B and C is 8 : 5, and that of C and D is 7 : 10. What is the difference between the shares of A and C?
What will be the amount (in ₹) of a sum of ₹4,800 invested at compound interest at 15% per annum for \(2 \tfrac{1}{3}\) years, interest being compounded yearly (nearest to ₹1)?