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Arithmetic Practice Test: Percentages
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Percentages are numbers or ratios that are expressed as a fraction of 100. Percentages are often represented by the percent sign, %.  Here are some ways to calculate percentages: To find a percentage of a number: Multiply the number by the decimal form of the percentage. For example, to find 30% of 40, multiply (30/100)(40) = 0.3 x 40 = 12. To convert a decimal to a percentage: Multiply the decimal by 100. For example, .87 x 100 = 87%. To calculate a percentage: Use the formula Percentage = (Value/Total Value) x 100. For example, if there are 10 dogs in a group of 40 animals, the... Show more
Arithmetic Practice Test: Percentages
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25 Questions

1. Sadhu got a 35% hike in his salary and a 20% incentive on the sales: If he sold goods worth Rs. 85000/- last year and his salary was Rs. 8000, then how much more will he earn this year when sales are worth Rs. 90000/-?
2. A 9 mg shaving lotion contains 30% spirit. How much water added shall convert it into a resulting lotion of 5% spirit.
3. A worker is paid @ Rs. 60.75 per hour. The minimum number of hours that Jolly needs to work to earn Rs.1,500 is
4. In an election the winning candidate received 15,744 votes which represented 48% of the electorate. The only other candidate secured 22% of the electorate. Calculate the number of people who did not use their votes.
5. The original price of an item was increased by 30%. Then the new price was reduced by 30% to get the final selling price. The final selling price is what percent of the original price?
6. A transistor is sold for Rs. 510 at a loss of 15%. Find the selling price in order to gain 15%
7. Two persons contested an election to the Parliament. The winning candidate got 57% of the total valid votes polled and won by a majority of 42000 votes. Calculate: (i) The number of total votes in lacs polled,
8. A sample of 50 litres of glycerin is found adulterated to the extent of 20%. Find how much pure glycerin should be added to bring down impurity to 5%.
9. Ramesh earns Rs. 15,000 per month. He pays 18% rent per month. What percent rent does he pay in a year?
10. A house agent charges commission at 5% of the first Rs. 5000 and Rs. 2 1/2% on the remainder of the selling price. What commission should he charge, if the selling price amounted to Rs. 35,500/-
11. Colour TV prices fell by 28%. If cost of TV before the decrease was Rs.12,500/-, find the new price?
12. Find the gross output of a coal mine, if after 25% wastage, the net output is 60,000 tonnes.
13. If “basis points” are defined so that 1 percent is equal to 100 basis points, then 82.5 percent is how many basis points greater than 62.5 percent?
14. There are 840 adults of which 294 are literate. What percentage is illiterate?
15. Of 2640 students, 45% got a distinction. How many got a distinction?
16. The owners of a business divided up the profits as follows: The share of the second owner was 3 times that of the third and the share of the first owner was 4 times that of the second. The first received Rs. 1.210 more than the third. How many Rs did the first owner receive?
17. Soni is 20% heavier than Rekha in weight. By how much percent is Rekha lighter than Soni?
18. A village lost 12% of its goats in a flood and 5% of the remainder died from diseases. If the number left now is 8360, what was the original number of goats before the flood?
19. The amount of time that three secretaries work on a special project are in the ratio of 1: 2: 5. If they worked a combined total of 112 hours, how many hours did the secretary who worked the longest spend on the project more than the slowest?
20. In an election contested by two candidates, 6% of the voters did not cast their vote. The successful candidate won by 6000 votes, securing 48% of the total votes. How many votes were cast for winning candidates?
21. In a class of 72 students, 87.5% of the students cleared the CAT exam? How many did not clear it?
22. 37% of Sita’s earnings is gone in taxes and 75% of the remainder on living style, if she is left with Rs. 7560/- what was her salary?
23. In 1985, 45 percent of a document storage capacity was availed by 630 banks. But in 1987, when the capacity was increased, number of banks rose by 82 using overall 25 percent of its new capacity. What was the minimum percent increase in storage capacity.
24. The sales in a company for the five consecutive years were Rs. 21371, Rs. 19287, Rs. 26345, Rs. 22854 and Rs. 24143/- Find by what % the best year’s sales exceeded the worst year’s sales?
25. Bhushan borrowed some money from Joshan and Surinder and agreed to pay 16% and 10% of his annual profit to them against the borrowings. Surinder received Rs. 1040 and got Rs. 96 less than Joshan. Find annual profit?

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