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GRE Math: Common Errors

Subjects : gre, math
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. 3/8 in percent?






2. In a regular polygon with n sides - the formula for the sum of interior angles






3. What is a finite set?






4. How many 3-digit positive integers are even and do not contain the digit 4?






5. Convert 0.7% to a fraction.






6. The objects in a set are called two names:






7. Simplify 9^(1/2) X 4^3 X 2^(-6)?






8. (6sqrt3) x (2sqrt5) =






9. What is the percent formula?






10. A number is divisible by 4 is...






11. What is a subset?






12. What is the third quartile of the following data set: 44 - 58 - 63 - 63 - 68 - 70 - 82






13. Which is greater? 27^(-4) or 9^(-8)






14. What are the roots of the quadrinomial x^2 + 2x + 1?






15. What is an isoceles triangle?






16. To convert a decimal to a percent...






17. Define a 'Term' -






18. (12sqrt15) / (2sqrt5) =






19. A cylinder has surface area 22pi. If the cylinder has a height of 10 - what is its radius?






20. The larger the absolute value of the slope...






21. x^6 / x^3






22. What percent of 40 is 22?






23. What is the ratio of the surface area of a cube with an edge of 10 to the surface area of a rectangular solid with dimensions 2 - 4 - and 6?






24. What is the surface area of a cylinder with radius 5 and height 8?






25. sqrt 2(sqrt 6)=






26. Which is greater? 200x^295 or 10x^294?






27. If the two sides of a triangle are unequal then the longer side...






28. The slope of a line perpendicular to (a/b)?






29. 25^(1/2) or sqrt. 25 =






30. a^2 - b^2






31. Solve the quadratic equation ax^2 + bx + c= 0






32. What are the irrational numbers?

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33. Describe the relationship between 3x^2 and 3(x - 1)^2






34. What is the graph of f(x) shifted left c units or spaces?






35. What is the sum of the angles of a triangle?






36. What is the 'Range' of a function?






37. What is a chord of a circle?






38. 1/8 in percent?






39. A number is divisible by 6 if...






40. In a triangle inscribed inside a circle - where the diameter is one side of the triangle - which angle is largest?






41. How many digits are there between the decimal point and the first even digit in the decimal equivalent of 1/[(2^8)(5^3)]






42. What is a set with no members called?






43. A brick with dimensions 10. 15 and 25 weighs 1.5 kg. A second brick (same density) has dimensions 12 - 18 - and 30. What is the weight of the second brick?






44. Can you simplify sqrt72?






45. If Madagascar'S exports totaled 1.3 billion in 2009 - and 4% came from China - what was the value in millions of the country'S exports to China?






46. What is the graph of f(x) shifted upward c units or spaces?






47. Formula for the area of a circle?






48. What is the ratio of the sides of a 30-60-90 triangle?






49. 1/2 divided by 3/7 is the same as






50. What are the rational numbers?