Question
A shopkeeper offers a 10% discount on an article and
still manages to earn a 12% profit. If the marked price of the article is Rs. 2800, calculate the cost price of the article.Solution
Let, the cost price of the article be Rs. x Selling price of the article = 112% of x = 28x/25 Also, the selling price of the article = 90% of 2800 = Rs. 2520 So, 28x/25= 2520 x = (2520 × 25)/28 x = Rs. 2250
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The average of first 8 multiples of 8 is.
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2. �...
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Match List I with List II
...
A ray of light hits a mirror and is reflected. If the mirror rotates by an angle 10° in one direction, then the reflected ray will rotate by
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