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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. =8*12
46 -656
306
96
2pr

2. Does (x^2 + y^2 + z^2)/(x^2 + y^2) = z^2?
140
1 -296
NO
Even

3. =7*16
112
5
39
119

4. =3*9
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
16
24
27

5. =15*20
256
100 -000
300
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)

6. SQRT 3
108
Subtract the smallest number from the greatest number
1.732050808
221

7. SQRT 2 -401
187
144
156
49

8. =4^3
39
160
64
9

9. =13*19
120
182
247
125

10. =9^1
6
225
9
48

11. SQRT 100
10
90
36
266

12. =7*9
63
Multiply the # of choices for each of the spots
152
68

13. 8^(1/3)
5
208
It gets smaller
2

14. Odds that at least one thing will happen?

15. =8*14
128
152
112
1 -000 -000 -000

16. When is a number divisible by 3?
18
60
Permutations ask for 'arraingements' Combinations ask for 'Groups'
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)

17. =11*16
16
If it is divisible by both 2 and 3 (318 is because it is even and the sum of 3+1+8 is divisible by 3)
176
4 -096

18. =5*9
144
45
6 -561
6

19. =3*13
39
Will = 1 - Won't
114
5^(1/3)

20. =4*13
Even
52
1.414213562
30

21. =17*17
289
8
252
28

22. =8*11
6
10
4
88

23. =5^3
125
It becomes positive
100 -000
512

24. Dividing Fractions
154
221
Invert (reciprocal) the second fraction and multiply
240

25. =5^1
70
5
144
136

26. =2^4
8
132
16
Rate * Time = Distance (Hint: Draw a chart)

27. =18*19
140
77
7
342

28. =6*6
625
6
36
6 -561

29. 64^(1/3)
54
Number of outcomes you want/total number of possible outcomes
96
4

30. =4*8
100 -000
216
5
32

31. =14*19
128
266
99
20

32. SQRT 2
Number of outcomes you want/total number of possible outcomes
187
1.414213562
512

33. even + odd =
Odd
304
112
90

34. =2^2
360
105
144
4

35. =10^8
100 -000 -000
270
5
27

36. =12*12
144
160
13
256

37. Another way to write cube root 5
5^(1/3)
100 -000
Even
225

38. SQRT 10 -000 -000 -000
It becomes positive
100 -000
171
64

39. =3*10
2 -401
11
81
30

40. =8*10
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
27
140
80

41. =3^3
228
216
66
27

42. Problem that asks you to choose a # of items to fill specific spots - when each spot is filled from a different source?
12
Multiply the # of choices for each of the spots
156
A+B (Add both probabilities)

43. SQRT 16
81
220
60
4

44. SQRT 4 -096
7
360
64
324

45. Permutations: single source - order matters BUT only for a selection
400
A+B (Add both probabilities)
Pr^2
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken

46. =4^4
169
3 -125
256
48

47. =11*14
180
154
112
285

48. =6^1
6
Pr^2
36
36

49. =7*7
100
49
15
125

50. =9^3
90
729
The reciprocal of the same number to the positive power (y). (eg 3^-2 = 1/(3^2) = 1/9)
30