In a factory there are three types of machine M1, M2 and M3 which produces 25%, 35% and 40% of the total products respectively. M1, M2 and M3 produces 2%, 4% and 5% defective products, respectively. what is the percentage of nondefective products ?
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The population of village is 1,00,000. The rate of increase is 10% per annum. Find the population at the start of the third year?
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30% of a number when subtracted from 91, gives the number itself. Find the number.
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Narayan spends 30% of his income on education and 50% of the remaining on food. He gives Rs. 1000 as monthly rent and now has Rs. 1800 left with him. What is his monthly income?
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An inspector rejects 0.08% of the meters as defective. How many will he examine to reject 2?
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The marked price of an article is Rs 2400. It is sold at two successive discounts of 10% and 15%. What is the selling price (in Rs) of the article?
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The difference between a number and its twofifth is 510. What is 10% of that number ?
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If salary of X is 20% more than salary of Y, then by how much percentage is salary of Y less than X?
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Last year, the population of a town was x and if it increases at the same rate, next year it will be y. the present population of the town is
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In an election between two candidates, one got 55% of total valid votes. 20% of the total votes were invalid. The total number of votes were 7500. How many valid votes did the other person get?
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If 25% of a number is subtracted from a second number the second number reduce to its fivesixth What is the ratio of the first number to the second number?
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