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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. =15*19
40
285
216
It gets smaller

2. =13*14
1 -000 -000
342
182
171

3. =10^10
49
256
266
10 -000 -000 -000

4. If you raise a negative number to an odd power - what happens to the number?
It gets smaller
119
Permutations ask for 'arraingements' Combinations ask for 'Groups'
272

5. =5*20
A+B (Add both probabilities)
117
3
100

6. =11*18
198
99
Even
27

7. SQRT 3
1.732050808
6
3
The reciprocal of the same number to the positive power (y). (eg 3^-2 = 1/(3^2) = 1/9)

8. =6*15
90
256
4
13

9. =6^5
55
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
7 -776
48

10. =15*18
Odd
76
1 -024
270

11. =1^3
1
16
24
112

12. SQRT 16
1 -000
68
4
90

13. SQRT 64
11
156
8
63

14. =13*13
169
6
Will = 1 - Won't
32

15. =15*17
255
361
152
169

16. SQRT 4
288
2
154
1 -296

17. =3*20
625
60
162
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller

18. Probability that A or B will happen?
A+B (Add both probabilities)
171
176
6 -561

19. =7*15
0 (any fraction with 0 on top is 0)
40
105
(b*h)/2

20. =5^5
4 -096
8
3 -125
27

21. =3*8
8
153
24
136

22. =9*17
Rate * Time = Distance (Hint: Draw a chart)
27
32
153

23. =12*20
306
240
10
216

24. Pythagorean Triples (lengths)?
9
4
52
3:4:5 -- 5:12:13 -- 7:24:25

25. =11*11
121
27
1 -024
240

26. =7*17
Odd
100 -000
119
Number of outcomes you want/total number of possible outcomes

27. Does x^2 + x^3 = x^5?
39
1.732050808
Pr^2
NO

28. =8*18
144
80
13
72

29. =12*19
228
512
119
100

30. =13*18
9
144
A+B (Add both probabilities)
234

31. =9^3
66
729
64
9

32. SQRT 4 -096
100 -000 -000
36
64
133

33. =4^3
60
140
64
27

34. 30:60:90 Right Triangle (Lenghts)
320
x:x^(1/3):2x
(b*h)/2
96

35. =14*15
210
225
90
80

36. =3^3
27
70
361
98

37. =9*9
81
Number of outcomes you want/total number of possible outcomes
1 -000 -000 -000
1 -024

38. =3^5
221
8
4
243

39. =11*19
Start with the number of permutations - that is the numerator(top). The Denominator is the number of combinations (eg 432*1)
343
6
209

40. SQRT 1 -296
266
152
234
36

41. Adding and Subtracting Decimals
3
Difference in the y-coordinates over the difference in the x coodinates
60
Line up the decimal points and proceed as usual

42. even x even =
80
Even
32
70

43. Area of a parallelogram?
64
Base * Height
512
247

44. =10^9
108
One (1)
1 -000 -000 -000
50

45. When is a number divisible by 6?
8
324
108
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)

46. =11*13
90
143
195
135

47. =10^1
10
56
1 -000
4

48. 512^(1/3)
45
3
8
10

49. =12*18
65
Add their exponents (6^2 *6^3 = 6^5)
4
216

50. =8*14
112
57
196
48