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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. 60 < all primes <70






2. Order of quadrants:






3. Define a 'monomial'






4. To convert a percent to a fraction....






5. In a triangle where the two legs are 4 and 3 - what is the value of a line directly intersecting the middle coming from the meeting point of the two legs?






6. (a^-1)/a^5






7. The ratio of the areas of two similar polygons is ...






8. (-1)^2 =






9. In similar hexagons - the ratio of the areas is 16:25. What is the ratio of their corresponding sides?






10. Evaluate 4/11 + 11/12






11. (x^2)^4






12. Define an 'expression'.






13. What is a central angle?






14. Volume for a cylinder?






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






16. What is the 'union' of A and B?






17. How to find the circumference of a circle which circumscribes a square?






18. The four angles around a point measure y - 2y - 35 and 55 respectively. What is the value of y?






19. Define a 'Term' -






20. If r - t - s & u are distinct - consecutive prime numbers - less than 31 - which of the following could be an average of them (4 - 4.25 - 6 - 9 - 24 - 22 - 24)






21. x^(-y)=






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






23. What is the 'Solution' for a system of linear equations?






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






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






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






27. What percent of 40 is 22?






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






29. 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?






30. 0^0






31. Formula to calculate arc length?






32. A number is divisible by 4 is...






33. Evaluate 3& 2/7 / 1/3






34. Is 0 even or odd?






35. x^2 = 9. What is the value of x?






36. What is the side length of an equilateral triangle with altitude 6?






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






38. Simplify the expression (p^2 - q^2)/ -5(q - p)






39. A company places a 6-symbol code on each product. The code consists of the letter T - followed by 3 numerical digits - and then 2 consonants (Y is a conson). How many codes are possible?






40. 5/8 in percent?






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






42. What is a tangent?






43. Reduce: 4.8 : 0.8 : 1.6






44. What is the common monomial factor in the expression 4(c^3)d - (c^2)(d^2) + 2cd?






45. What are congruent triangles?






46. 10<all primes<20






47. What is the name of set with a number of elements which cannot be counted?






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






49. Which quadrant is the upper right hand?






50. 7/8 in percent?