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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*13
729
117
300
108

2. =14*17
210
100 -000
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
238

3. =3^3
40
27
112
729

4. Permutations: single source - order matters
Won't = 1 - Will
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
216
729

5. =9*10
90
78
220
64

6. =6*7
42
60
204
2 -401

7. Any number to the negative power (y) is equal to?
154
1 -296
40
The reciprocal of the same number to the positive power (y). (eg 3^-2 = 1/(3^2) = 1/9)

8. =9^3
304
729
55
70

9. =9*15
342
240
135
81

10. =12*16
60
32
216
192

11. =11*16
340
91
176
135

12. =3^3
27
176
140
Undefined

13. =15*18
140
270
(b*h)/2
46 -656

14. 343^(1/3)
8
4
7
Number of outcomes you want/total number of possible outcomes

15. =3*11
171
33
625
225

16. When is a number divisible by 6?
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)
100
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)
Multiply both fractions to get a common denominator add or subtract as usual

17. 4/0 =
8
57
342
Undefined

18. =7*11
40
77
5
3:4:5 -- 5:12:13 -- 7:24:25

19. What happens if you multiply or divide both sides of an inequality by a negative number?
512
The direction of the inequality symbol changes
64
247

20. =12*14
729
11
49
168

21. =14*16
224
3
729
64

22. =7*20
15
140
66
77

23. =8*9
216
340
72
64

24. =5^3
0 (any fraction with 0 on top is 0)
125
A+B (Add both probabilities)
NO

25. =10^4
91
10 -000
Pr^2
99

26. =10^9
240
Multiply the numerators and put the product over the product of the denominators
180
1 -000 -000 -000

27. =6*14
84
11
56
2

28. =4*16
Amount of increase/original amount = x/100 (Then cross multiply to find x)
285
81
64

29. =8*13
64
104
112
8

30. =6*10
60
16
Amount of increase/original amount = x/100 (Then cross multiply to find x)
10 -000

31. =10^7
25
90
77
10 -000 -000

32. SQRT 400
20
125
64
342

33. =6*15
Permutations ask for 'arraingements' Combinations ask for 'Groups'
90
256
266

34. =2^9
512
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)
40
729

35. Factor x^2-2xy+y^2
252
(x-y)^2
136
320

36. =4*17
3:4:5 -- 5:12:13 -- 7:24:25
68
625
Base * Height

37. =12*12
16
144
NO
Rate * Time = Distance (Hint: Draw a chart)

38. SQRT 225
361
15
7
20

39. =6*13
3 -125
78
2
2

40. When is a number divisible by 6?
85
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
6 -561

41. =9*18
162
76
27
266

42. When is a number divisible by 4?

43. 0/1 =
7
15
0 (any fraction with 0 on top is 0)
A*B (Multiply both probabilities)

44. =4*20
289
2
102
80

45. SQRT 10 -000 -000 -000
100 -000
169
343
154

46. SQRT 6 -561
Undefined
27
81
24

47. 729^(1/3)
320
125
9
Will = 1 - Won't

48. =7*17
Permutations ask for 'arraingements' Combinations ask for 'Groups'
1 -296
119
48

49. =4^6
Base * Height
4 -096
270
10 -000 -000 -000

50. =7*14
289
88
16
98