A shopkeeper labelled the price of his articles so as to earn a profit of 30% on the cost price. He then sold the articles by offering a discount of 10% on the labelled price. What is the actual per cent profit earned in the deal?
Let the cost price of the article be Rs.100x.
Marked price = Rs.130x
S.P. of the article = $$\ \frac{\ 130x\times\ 90}{100}$$ = Rs.117x
Actual percent profit = $$\ \frac{\ 117-100}{100}\times\ 100$$
=17%
D is the correct answer.
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