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?
A 338-m-long train is travelling at 60 km/h. It crosses a man, travelling in the same direction, in 39 seconds. What is the speed (in m/sec) of the man?
What will be the amount (in ₹) of a sum of ₹4,800 invested at compound interest at 15% per annum for 2(1/2) years, interest being compounded yearly (nearest to ₹1)?