Cost price of the mixture = [(2 × 40) + (3 × 60)] / 5 = (80 + 180) / 5 = ₹52 per kg. Profit = ₹55 - ₹52 = ₹3 per kg. Profit percentage = (3 / 52) × 100 ≈ 5.77%. Correct Option: a
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