ATQ, Ratio of profit shares of Sonia, to that of Isha, and to that of Jai = (3100 × 12) : (2300 × 12) : (4100 × 8) = 93:69:82. Let the profit share of Sonia, Isha, and Jai be Rs. '93a', Rs. '69a', and Rs. '82a', respectively. ATQ: 82a = 1640 Or, 'a' = (1640 / 82) = 20 So, difference between profit shares of Sonia and Isha = 93a - 69a = 24a = 24 × 20 = Rs. 480
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