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Answer : 1 Rs. 4000 Explanation : Answer: A) Rs. 4000 Explanation: Given ratio of initial investments = 72:43:65 = 105 : 40 : 36. Let the initial investments be 105x, 40x and 36x. ∴A:B:C = 105x×4   150100×105x×8 : 40x×12 : 36x×12                 = 1680x : 480x : 432x = 35 : 10 : 9. Hence, B