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GRE Math: Percentages Practice Test
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GRE Math: Percentages Practice Test
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17 Questions

1. Jack invests $5,000 at 4% compound annual interest. Rounded to the nearest units digit, what will be the value of Jack’s investment in 3 years?
2. If y is 50% greater than x, then y is what percent of 2x?
3. In a high school with 500 students, 15% of the students are freshmen. If 50 additional students enroll in the school, how many of those students would have to be freshmen for the number of freshmen to be 20% of the student body?
4. 3.4 is what percent of 1,000?
5. In 1980, a college had 4,000 students, of whom 30% were women. In 2010, the college had 12,000 students, of whom 60% were women. By what percent did the number of women students in the college increase from 1980 to 2010?
6. If Bob invests $10,000 at y percent simple annual interest for 5 years, which of the following represents the amount of interest he will have gained after 5 years?
7. If 10% of a equals 25% of b, then a is what percent of b?
8. If Bob invests $10,000 at y percent simple annual interest for 5 years, which of the following represents the amount of interest he will have gained after 5 years?
9. If y is 50% greater than x, then y is what percent of 2x?
10. A shirt originally cost x dollars. After a y percent increase, the price of the shirt is z dollars. What is x, in terms of y and z?
11. The price of a home in 1997 was 200% greater than the price in 1957. The price in 1957 was 300% greater than the price in 1927. The price of the home in 1997 is what percent greater than the price of the home in 1927?
12. A 30% increase in the price of a shirt is equivalent to $60. If the price of the shirt were reduced by 20% instead of increased by 30%, what would be the price of the shirt?
13. Jack invests $5,000 at 4% compound annual interest. Rounded to the nearest units digit, what will be the value of Jack’s investment in 3 years?
14. The contents of a jar of jelly that is 40% full are poured into an empty 200-ounce vat, filling it to 25% of capacity. How many jars of jelly would be required to fill three of these vats?
15. A shirt originally priced at x dollars is reduced by 20% percent. This new price is then reduced by 40%. The final price of the shirt is what percent of the original price?
16. A 30% increase in the price of a shirt is equivalent to $60. If the price of the shirt were reduced by 20% instead of increased by 30%, what would be the price of the shirt?
17. At a certain store, the retail price for a blouse is double the retail price for a T-shirt. If Beth buys a blouse at a 50% discount and a T-shirt at a 25% discount, the amount Beth pays is approximately what percent of the amount she would have paid had there been no discounts?