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Let cost price of the article is Rs. ‘x’ So, Selling price of the article = 0.78 × 1.6 × x = Rs. 1.248x According to question; 1.248x – x = 297.6 Or, 0.248x = 297.6 Or, x = 1200 Desired Percentage = [(1500 – 1200)/1200] × 100 = 25%
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Two pipes A and B can fill a tank in 24 min., and 32 min, respectively. If both the pipes are opened simultaneously, after how much time B should be clo...
Pipe ‘A’ can fill a 210-litre tank in 21 hours. If pipe ‘A’ is 25% more efficient than pipe ‘C’ whereas pipe ‘B’ is 50% more efficient t...
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