Test your basic knowledge |

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 ratio of the sides of a 30-60-90 triangle?






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






3. x^4 + x^7 =






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






5. 5/8 in percent?






6. What is a parabola?






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






8. What are the irrational numbers?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


9. When the 'a' in a parabola is positive....






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






11. Can the input value of a function have more than one output value (i.e. x: y - y1)?






12. Formula for the area of a circle?






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






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






15. Evaluate (4^3)^2






16. 2sqrt4 + sqrt4 =






17. 7/8 in percent?






18. Simplify (a^2 + b)^2 - (a^2 - b)^2






19. 10^6 has how many zeroes?






20. What is a minor arc?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


21. When the 'a' in the parabola is negative...






22. Define a 'Term' -






23. What are 'Supplementary angles?'






24. What is the formula for computing simple interest?






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






26. 200 <_ x <_ 300. How many values of x are divisible by 5 & 8?






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






28. 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?






29. Formula of rectangle where l increases by 20% and w decreases by 20%






30. Write 10 -843 X 10^7 in scientific notation






31. 25^(1/2) or sqrt. 25 =






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






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






34. How many sides does a hexagon have?






35. 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?






36. What is an isoceles triangle?






37. What is the empty set?






38. There are 10 finalists for the school spelling bee. A first - second - and third place trophy will be awarded. How many different people can get the three prizes?






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






40. Factor x^2 - xy + x.






41. Suppose you have a set of n objects - and you want to select k of them - but the order doesn'T matter. What formula do you use to determine the number of combinations of n objects taken k at a time?






42. Which quadrant is the upper right hand?






43. Legs: 3 - 4. Hypotenuse?






44. 1/8 in percent?






45. a^2 - b^2






46. Can you simplify sqrt72?






47. The number of degrees in the largest angle of a triangle inscribed in a circle - in which the diameter of the circle is one side of the triangle.






48. Can you add sqrt 3 and sqrt 5?






49. Can the output value of a function have more than one input value?






50. a^2 + 2ab + b^2