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c=2a Profit = 40(b-a) = 12d Loss = 40(c-d) = 16b Profit% = 12d/40a × 100 Loss% = 16b/40c × 100 Since, the percentage values are equal Therefore, 12d/40a ×100 = 16b/40c ×100 3d/10a= 4b/10c 3d/a = 4b/2a Since c = 2a b/d = 3/2
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