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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. =9^2
81
44
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
208

2. =3*19
3
361
57
Even

3. How do you find the median of a set of numbers?
96
114
68
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s

4. =8^4
12
4 -096
126
81

5. =13*15
80
195
133
209

6. =10^5
210
10 -000 -000 -000
100 -000
128

7. =7*14
64
27
5^(1/3)
98

8. Basic probability formula?
72
3
Number of outcomes you want/total number of possible outcomes
Multiply the numerators and put the product over the product of the denominators

9. 729^(1/3)
One (1)
187
Odd
9

10. SQRT 36
240
60
6
Even

11. =14*19
266
18
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
55

12. =3^1
3
NO
Undefined
112

13. =13*19
45
247
96
280

14. =14*18
195
114
252
3

15. SQRT 100
85
16
36
10

16. =7^1
210
7
625
(b*h)/2

17. SQRT 1 -000 -000
204
33
1 -000
10

18. even + odd =
165
NO
9
Odd

19. =7^2
9
3
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken
49

20. =11*19
NO
49
209
192

21. =14*20
42
280
7 -776
45

22. =14*17
238
The direction of the inequality symbol changes
Subtract the smallest number from the greatest number
55

23. Permutations: single source - order matters BUT only for a selection
Won't = 1 - Will
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken
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)
224

24. =20*20
400
NO
4 -096
Odd

25. =12*12
NO
18
512
144

26. =5*11
60
Number of outcomes you want/total number of possible outcomes
80
55

27. =9*10
49
112
90
4 -096

28. =3*10
30
84
625
343

29. =16*18
144
1
64
288

30. =3^3
27
54
Odd
1.732050808

31. =3^4
117
95
81
128

32. =5*12
256
80
306
60

33. =4*4
81
16
114
60

34. =11*13
48
143
15
11

35. Multiplying Fractions
256
Multiply the numerators and put the product over the product of the denominators
Undefined
60

36. =11*14
228
154
90
216

37. Distance Formula?
225
60
Rate * Time = Distance (Hint: Draw a chart)
60

38. SQRT 10 -000 -000 -000
216
100 -000
90
32

39. =6*12
72
128
2 -401
36

40. Exponents - Dividing numbers with same base
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
360
171
152

41. =7^3
36
84
168
343

42. =3*16
6
48
20
3:4:5 -- 5:12:13 -- 7:24:25

43. When is a number divisible by 6?
Pick the # that occurs most frequently
NO
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)
132

44. =5^2
340
5
25
208

45. =13*14
182
5
25
64

46. =9*13
153
289
75
117

47. =12*16
192
6 -561
81
260

48. =3^3
192
27
100
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)

49. =2^8
120
8
46 -656
256

50. SQRT 49
2
7
210
512