Question
The selling price of an article is 30% more than its
cost price. Given that the ratio of the marked price to the cost price is 26:15, determine the approximate discount percentage applied to the article, rounded to two decimal places.Solution
ATQ, Let the selling price of the article be Rs. ‘100x’ So, cost price of the article = 100x × 0.7 = Rs. ‘70x’ So marked price of the article = 70x × (26/15) = Rs. (364x/3) So, required percentage = [{(364x/3) – 100x}/(364x/3)] × 100 ~ 17.58%
Solve the quadratic equations and determine the relation between x and y:
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5, 9, 17, 33, ?, 129
