Question
A shopkeeper sold an article after offering two
successive discounts of 19% and 20%, respectively. The marked price of the article is Rs. 1500. If the cost price of the article is 2000, then find the profit/loss percentage in the whole transaction.Solution
Marked price of the article = Rs. 1500 Selling price of the article = 1500 × 0.81 × 0.8 = Rs. 972 Cost price of the article = Rs. 972 So, loss percentage = [(2000 – 972)/2000] × 100 = 51.4%
- If a + b + c = 18, and a ³ + b ³ + c ³ - 3abc = 54, hen find the value of 5(ab + bc + ca).
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II. 2y² - 8y + 6 = 0
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