Giving two successive discounts of 60% is equal to giving one discount of ....... %.
If he gives two successive discount of 60% ,means the present price of the item is $$=0.40\times0.40\ =0.16\ $$ of the CP.
It means a discount of $$\left(1-0.16\ \right)=0.84\ $$ is made .
D is correct choice.
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