Question
'A', 'B' and 'C' started a business by investing
amounts in the ratio 5:6:8, respectively. Six months later, 'A' increased his investment by 20%, 'B' doubled his investment, and 'C' withdrew Rs. 'x' such that his remaining investment became half. If at the end of the year, the profit share of 'C' was Rs. 3,600, then find the total profit earned by the business.Solution
Let the amount invested by 'A', 'B' and 'C' be Rs. '5x', Rs. '6x' and Rs. '8x', respectively. Ratio of profit shares of 'A', 'B' and 'C' = {(5x X 6) + (6x X 6)}:{(6x X 6) + (12x X 6)}:{(8x X 6) + (4x X 6)} = (30x + 36x):(36x + 72x):(48x + 24x) = 66x:108x:72x = 11:18:12 So, total profit earned by the business = 3600 X (41/12) = Rs. 12,300
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