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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. =9^3
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
729
8
x:x^(1/3):2x

2. =5*18
Side - Side - Side^2
90
256
306

3. =2^2
198
4
162
32

4. If you raise a positive fraction that is less than 1 to a power - what happens to the fraction?
114
136
It gets smaller
36

5. =7*18
The direction of the inequality symbol changes
360
126
285

6. =3*3
88
1 -000 -000
119
9

7. =5*10
4
NO
6
50

8. =12*15
304
256
80
180

9. =6*17
44
144
102
Side - Side - Side^2

10. =6^3
216
96
13
81

11. =17*19
36
323
Base * Height
Number of outcomes you want/total number of possible outcomes

12. 30:60:90 Right Triangle (Lenghts)
132
240
5
x:x^(1/3):2x

13. =16*17
192
272
7
8

14. =9*20
228
9
180
Multiply both fractions to get a common denominator add or subtract as usual

15. =13*13
135
Multiply the # of choices for each of the spots
NO
169

16. =3*20
102
49
2
60

17. =7*10
1 -024
260
3
70

18. SQRT 256
2pr
64
240
16

19. =5^5
28
80
91
3 -125

20. SQRT 100 -000 -000
238
10 -000
35
36

21. =7*14
117
4
98
Even

22. SQRT 10 -000 -000 -000
NO
27
512
100 -000

23. =4*16
64
252
99
90

24. =7*13
63
133
91
1 -000

25. SQRT 169
Even
52
70
13

26. =14*18
9
Add or subtract the numbers on top and keep the same denominator
252
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s

27. SQRT 3
1.732050808
196
168
3 -125

28. Does x^6 - x^2 = x^4?
NO
40
46 -656
36

29. SQRT 625
25
51
90
140

30. =3*5
152
7
15
221

31. =7^3
3
225
343
NO

32. =5^3
125
Add or subtract the numbers on top and keep the same denominator
Undefined
36

33. =18*19
342
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
306
Multiply the exponents (4^3)^2 = 4^(3*2) = 4^6

34. =3*12
132
36
30
78

35. =7*17
72
98
289
119

36. =10^10
A*B (Multiply both probabilities)
2
10 -000 -000 -000
256

37. =6*11
60
260
224
66

38. =13*18
60
Base * Height
234
Side - Side - Side^2

39. Adding or subtracting fractions with different denominators
Multiply both fractions to get a common denominator add or subtract as usual
152
11
7

40. Adding or subtracting fractions with the same denominator
125
Undefined
27
Add or subtract the numbers on top and keep the same denominator

41. =10^1
255
9
10
63

42. =15*17
90
255
10 -000
126

43. =5*19
16
255
5
95

44. =5*15
9
729
75
256

45. =5*14
Add their exponents (6^2 *6^3 = 6^5)
99
70
Even

46. =2^4
66
16
49
30

47. =15*15
77
64
729
225

48. SQRT 64
340
8
48
306

49. =7*15
64
70
266
105

50. When is a number divisible by 6?
0 (any fraction with 0 on top is 0)
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)
It becomes positive
36