Ratio,Proportion, Percentages and Discounting Q.13

13A dealer marks his goods 20% above the cost price. He then allows some discount on it and makes a profit of 8%. The rate of discount is

Option : C
Explanation : Let cost price = 100
Net selling price = 100 + 8 = 108
Now 120 – (x% of 120) = 108
x = 10

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