The population of a town increased from 175000 to 262500 in a decade. The average percent increase of population per year is?
33.33%
5%
6%
8.75%
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In the recent, climate conference in New York, out of 700 men, 500 women, 800 children present inside the building premises, 20% of the men, 40% of the women and 10% of the children were Indians. Find the percentage of people who were not Indian?
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2
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The number which exceeds 16% of it by 42 is :
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3
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The cost of packaging of the mangoes is 40% the cost of fresh mangoes themselves. The cost of mangoes increased by 30% but the cost of packaging decreased by 50%, then the percentage change of the cost of packed mangoes, if the cost of packed mangoes is equal to the sum of the cost of fresh mangoes and cost of packaging :
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4
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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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5
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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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6
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220% of a number X is 44. What is 44% of X.
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7
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An ore contains 25% of an alloy that has 90% iron. Other than this, in the remaining 75% of the ore, there is no iron. How many kilograms of the ore are needed to obtain 60 kg of pure iron?
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8
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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 non-defective products ?
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9
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In a laboratory experiment, a sample of air which is a mixture of oxygen and water vapour is taken. Water vapour, contains hydrogen and oxygen gases. If air contains a total of 70% oxygen (including that contained in the water vapour) by weight while water vapour contains 16.66% of oxygen by weight, how many kilograms of water vapour is present in 1 kilogram of air?
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10
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The difference between a number and its two-fifth is 510. What is 10% of that number ?
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