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Two cubes of bronze have a total weight equivalent to 60 kg. The first piece contains 10 kg of pure zinc and the second piece contains 8 kg of pure zinc. What is the percentage of zinc in the first piece of bronze if the second piece contains 15 percent more zinc than the first?
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Two solutions of 90% and 97% purity are mixed resulting in 21 litres of a mixture of 94% purity. How much is the quantity of the first solution in the resulting mixture?
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A man sells 5 articles for ₹15 and makes a profit of 20%. Find his gain or loss percent if he sells 8 such articles for ₹18.40.
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Which one of the following is the same as 30% of 40% of 560?
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In an examination, every candidate took either Physics or Mathematics or both. 84% of the candidates took Physics and candidates who took Mathematics were half of those who took Physics. The total number of candidates being 1000, how many took both Physics and Mathematics?
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A company declares a dividend of 12% on ₹100 shares. A housewife buys such shares and gets 15% on her investment. At what price she bought the shares?
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The price of an article is cut by 10%. To restore it to the original value, the new price must be increased by
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In an examination, a student who secured 25% of the maximum marks fails by 60 marks but another candidate who secures 45% of the maximum marks gets 10 marks more than required passing marks. The maximum number of marks is
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Divya purchased 6 mangoes, 10 oranges and 5 apples for a certain amount. With 40% less amount of Anu could purchase 3 mangoes, 5 oranges, and 4 apples. What percentage of the total amount did Divya spend on apples?
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Mohan credits 15% of his salary into his bank and spends 30% of the remaining amount on household articles. If cash on hand is ₹2,380/-, what is his salary?
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72% of students in a class took Physics and 44% took Mathematics. If each student took Physics or Mathematics and 40 took both, the total number of students in the class would be
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Sheena’s test had 75 questions i.e., 10 on English, 30 on Reasoning and 35 on Legal Aptitude. Although she answered 70% of the English, 40% of the Reasoning and 60% of the Legal Aptitude questions correctly, she did not pass the test because she got less than 60% of the questions right. How many questions she would have needed to answer correctly to earn a 60% passing grade?
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Three candidates contested an election and received 1136, 7636 and 11628 votes, respectively. What percentage of the total votes did the winning candidate get?
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Two tailors X and Y are paid a total of ₹ 550 per week by their employer. If X is paid 120% of the sum paid to Y. Then, how much is Y paid per week?
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Rajeev buys good worth ₹ 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax @ 10%. Find the amount he will have to pay for the goods.
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The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is
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What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?
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A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had
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Two students appeared at an examination. One of them secured 9 marks more than the other and his marks were 56% of the sum of their marks. The marks obtained by them are
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A batsman scored 110 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets?
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