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GMAT Math Memorization

Subjects : gmat, 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. Odds that at least one thing will happen?

2. =5*19
324
95
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
216

3. SQRT 100 -000 -000
16
10 -000
Base * Height
100

4. =7*13
32
51
91
y=mx+b where b is the y-intercept (the point which crosses the y-axis) m is the slope of the line - and x & y are the coordinates of some point on that line

5. =3*14
42
10
144
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)

6. =4^4
9
256
240
165

7. =5^5
3 -125
225
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
8

8. odd + odd =
100 -000
77
126
Even

9. =4^2
120
50
112
16

10. =2^6
64
Invert (reciprocal) the second fraction and multiply
65
216

11. =8*15
1 -024
120
225
100 -000

12. =15*18
16
270
240
25

13. =10^1
10
The direction of the inequality symbol changes
4
2 -401

14. 729^(1/3)
105
9
32
4 -096

15. =11*11
Odd
121
27
126

16. How do you find the mode of a set of numbers?
72
45
Pick the # that occurs most frequently
156

17. =7*10
70
220
90
1 -296

18. =5*12
240
144
60
152

19. =12*19
4 -096
7 -776
228
255

20. =13*14
182
240
56
125

21. =10^10
10 -000 -000 -000
44
Base * Height
289

22. =6*13
49
x:x^(1/3):2x
78
81

23. =3*20
7
60
Invert (reciprocal) the second fraction and multiply
187

24. =7^3
343
(b*h)/2
Side - Side - Side^2
100 -000

25. =13*17
Multiply the exponents (4^3)^2 = 4^(3*2) = 4^6
1 -024
221
51

26. =14*14
20
117
125
196

27. =3*6
169
72
18
2

28. =14*20
48
280
49
120

29. SQRT 25
66
224
512
5

30. Problem that asks you to choose a # of items to fill specific spots - when each spot is filled from a different source?
Won't = 1 - Will
Multiply the # of choices for each of the spots
10
119

31. =12*13
156
30
169
81

32. =6*20
120
Won't = 1 - Will
Pr^2
49

33. Exponents - Dividing numbers with same base
90
100 -000 -000
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
304

34. Basic probability formula?
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
100 -000 -000
Number of outcomes you want/total number of possible outcomes
252

35. =6*6
70
Undefined
512
36

36. =6^1
342
6
27
25

37. Another way to write cube root 5
5^(1/3)
100 -000
256
32

38. 0/1 =
The direction of the inequality symbol changes
64
0 (any fraction with 0 on top is 0)
340

39. Any number to the first power is?
1
Itself
112
12

40. Area of a parallelogram?
27
Base * Height
729
128

41. =9*18
16
100 -000
343
162

42. =7^4
Ignor decimal points and multiply the two numbers - then count the digits to the right of the decimal points in the original numbers and place the decimal so there are the same number of digits to the right of the decimal
2 -401
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
204

43. =9*13
5
117
165
3

44. =6^5
36
400
7 -776
2

45. 27^(1/3)
285
27
3
98

46. =9*16
One (1)
260
Will = 1 - Won't
144

47. =7*18
144
2
59 -049
126

48. =6*12
36
72
33
Itself

49. =9*14
A*B (Multiply both probabilities)
6
10 -000
126

50. =8*9
Side - Side - Side^2
90
Multiply the # of choices for each of the spots
72