30% loss on cost price in what percent loss on selling price?

18:14

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A. 28.44 %
B. 38 %
C. 40.35 %
D. 42.85 %
Ans: D

Loss = 30% on CP i.e., 0.3CP => SP = 0.7CP Loss % on
SP = loss/SP * 100 = 0.3CP/0.7CP * 100

= 42.85%.

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