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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. =14*15
343
210
252
(b*h)/2

2. =7*17
100 -000
119
84
98

3. =5*7
361
77
35
108

4. =5*5
380
169
25
Amount of increase/original amount = x/100 (Then cross multiply to find x)

5. =8^3
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
512
70
204

6. =2^4
1 -000
512
16
105

7. =3*13
39
3 -125
288
84

8. SQRT 729
27
64
Itself
30

9. =4*8
27
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)
32
Base * Height

10. SQRT 100
105
39
143
10

11. =13*17
48
77
243
221

12. SQRT 9
3
10 -000
1 -296
32

13. SQRT 4 -096
64
Invert (reciprocal) the second fraction and multiply
45
4

14. =7^3
120
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
343
125

15. =2^7
77
4
128
209

16. Adding or subtracting fractions with different denominators
72
10
Multiply both fractions to get a common denominator add or subtract as usual
5

17. =3*19
81
57
126
256

18. =5*19
30
Pick the # that occurs most frequently
80
95

19. =5*9
340
45
Multiply the exponents (4^3)^2 = 4^(3*2) = 4^6
9

20. How do you find the slope of a line?
225
Rate * Time = Distance (Hint: Draw a chart)
Difference in the y-coordinates over the difference in the x coodinates
51

21. =4^2
729
16
Permutations ask for 'arraingements' Combinations ask for 'Groups'
120

22. =4^3
Itself
20
64
Invert (reciprocal) the second fraction and multiply

23. 125^(1/3)
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)
216
72
5

24. SQRT 6 -561
210
81
6 -561
114

25. =8*14
49
28
16
112

26. When is a number divisible by 4?

27. SQRT 10 -000 -000 -000
729
44
100 -000
16

28. =5*14
70
100
4
68

29. =9*15
100 -000
135
24
285

30. =10^1
117
10
1 -000 -000
Itself

31. =14*19
96
80
144
266

32. 27^(1/3)
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
42
5
3

33. Multiplying Fractions
187
6 -561
4
Multiply the numerators and put the product over the product of the denominators

34. =2^9
25
80
27
512

35. =3*11
10 -000 -000 -000
33
6
8

36. =13*15
It gets smaller
80
Even
195

37. 512^(1/3)
162
8
68
289

38. 4/0 =
72
Undefined
9
104

39. =14*17
9
240
238
343

40. =18*19
NO
80
209
342

41. =5*11
3
55
280
256

42. =16*19
The direction of the inequality symbol changes
304
176
2 -401

43. =7*15
225
105
54
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)

44. Distance Formula?
216
Rate * Time = Distance (Hint: Draw a chart)
77
512

45. =14*14
196
36
140
100 -000

46. =8^2
48
64
256
24

47. What is the difference between a permutation or a combination?

48. Odds that something doesn't happen?

49. =4^3
2
4
64
289

50. 729^(1/3)
272
126
4 -096
9