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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. What is the 'Range' of a series of numbers?






2. Which quadrant is the upper left hand?






3. What is the area of a regular hexagon with side 6?






4. What is the order of operations?






5. Formula to find a circle'S circumference from its diameter?






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






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






8. What is the 'Restricted domain of a function'?






9. For what values should the domain be restricted for the function f(x) = sqrt(x + 8)






10. A triangle is inscribed in a semi circle with legs 5 and 12. What is the circumfermence of the semicircle?






11. Convert 0.7% to a fraction.






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






13. How to find the area of a sector?






14. (6sqrt3) x (2sqrt5) =






15. x^4 + x^7 =






16. What are the real numbers?






17. What is the measure of an exterior angle of a regular pentagon?






18. 0^0






19. x^6 / x^3






20. What are the smallest three prime numbers greater than 65?






21. Order of quadrants:






22. What is a central angle?






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






24. 2sqrt4 + sqrt4 =






25. For similar triangles - the ratio of their corresponding sides is 2:3. What is the ratio of their areas?






26. What is the name for a grouping of the members within a set based on a shared characteristic?






27. 413.03 x 10^(-4) =






28. Employee X is paid 19.50 per hour no matter how many a week. Employee Y earns 18 for the first 40 and 1.5 the hourly wage for every hour after that. If both earned the same amount and worked the same in one week - how many did each work?






29. How to find the diagonal of a rectangular solid?






30. What are the members or elements of a set?






31. P and r are factors of 100. What is greater - pr or 100?






32. Formula to find a circle'S circumference from its radius?






33. 3/8 in percent?






34. The perimeter of a square is 48 inches. The length of its diagonal is:






35. (-1)^2 =






36. Evaluate (4^3)^2






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






38. If you have a set of n objects - but you only want to order k of them - what formula do you use to determine the number of permutations?






39. (-1)^3 =






40. What number between 70 & 75 - inclusive - has the greatest number of factors?






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






42. 1/6 in percent?






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






44. Surface area for a cylinder?






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






46. What is the set of elements found in both A and B?






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






48. If 8 schools are in a conference - how many games are played if each team plays each other exactly once?






49. (x^2)^4






50. Which quadrant is the upper right hand?







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