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






2. 40 < all primes<50






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






4. What percent of 40 is 22?






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






6. 3/8 in percent?






7. What are the real numbers?






8. What is the set of elements which can be found in either A or B?






9. 2sqrt4 + sqrt4 =






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






11. What is an isoceles triangle?






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






13. 1:1:sqrt2 is the ratio of the sides of what kind of triangle?






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






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






16. What is the slope of a horizontal line?






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






18. What is a subset?






19. Whats the difference between factors and multiples?






20. Length of an arc of a circle?






21. 413.03 x 10^(-4) =






22. Nine coins are tossed simultaneously. In how many of the outcomes will the fourth coin tossed show heads?






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






24. Which is greater? 64^5 or 16^8






25. Order of quadrants:






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






27. Is 0 even or odd?






28. What is a finite set?






29. Which quandrant is the lower right hand?






30. x^4 + x^7 =






31. 10^6 has how many zeroes?






32. What is the coefficient of the x^2 term in the product of (x + 1)(x + 2)(x -1)?






33. What is the empty set?






34. How to find the area of a sector?






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






36. Ratio of ages of Anna and Emma is 3:5 and of Emma and Nicolas is 3:5. What is the ratio of Anna to Nicholas' ages?






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






38. What transformation occurs if point C is reflected over the x-axis and then the y-axis?






39. Factor x^2 - xy + x.






40. 30< all primes<40






41. 25^(1/2) or sqrt. 25 =






42. 0^0






43. a^0 =






44. Simplify 4sqrt21 X 5sqrt2 / 10sqrt7






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






46. Find the surface area of a cylinder with radius 3 and height 12.






47. (-1)^3 =






48. 60 < all primes <70






49. How many multiples does a given number have?






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