A shepherd had n goats in the year 2000. In 2001 the no. of goats increased by 40%. In 2002 the no. of goats declined to 70%. In 2003 the no. of goats grew up 30%. In 2004, he sold 10% goats and then he had only 34,398 goats. The percentage increase of the no. of goats in this duration was :
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1.14 expressed as a per cent of 1.9 is:
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2
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220% of a number X is 44. What is 44% of X.
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3
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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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4
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An alloy contains the copper and aluminum in the ratio of 7 : 4 While making the weapons from this alloy, 12% of the alloy got destroyed. If there is 12 kg of aluminum in the weapon, then weight of the alloy required is :
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5
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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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Out of the total production of iron from hematite, an ore of Iron, 20% of the ore gets wasted, and out of the remaining iron, only 25% is pure iron. If the pure iron obtained in a year from a mine of hematite was 80,000 kg, then the quantity of hematite mined from that mine in the year is
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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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8
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30% of a number when subtracted from 91, gives the number itself. Find the number.
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9
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The cost of an article was Rs.75. The cost was first increased by 20% and later on it was reduced by 20%. The present cost of the article is:
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10
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A college has raised 75% of the amount it needs for a new building by receiving an average donation of Rs. 600 from the people already solicited. The people already solicited represent 60% of the people, the college will ask for donations. If the college is to raise exactly the amount needed for the new building, what should be the average donation from the remaining people be solicited?
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