ATQ, Investment ratio of P, Q and R = 5:10:6 Profit ratio of P, Q and R = 5a×1 + 10a×2 : 10a×1 + 5a×2 : 6a×2 + 9a×1 = 25: 20: 21 (q+14000)/21×5 = 5000 q = Rs.7000 Profit share of P = 5000/5 × 25 = Rs.25000 Required answer = 21000/25000 × 100 = 84%
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