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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. =2^3
4
7
8
52

2. =5*12
4
60
100
32

3. =8^2
64
225
57
25

4. SQRT 225
54
The reciprocal of the same number to the positive power (y). (eg 3^-2 = 1/(3^2) = 1/9)
15
It gets smaller

5. Pythagorean Triples (lengths)?
3
1 -296
323
3:4:5 -- 5:12:13 -- 7:24:25

6. Adding or subtracting fractions with the same denominator
192
Add or subtract the numbers on top and keep the same denominator
NO
182

7. =14*16
128
30
224
343

8. =15^2
56
225
50
238

9. =7*20
288
256
140
48

10. =11*19
27
209
64
247

11. =8*19
8
90
126
152

12. =6^6
136
46 -656
NO
100 -000

13. =9^3
6
228
7 -776
729

14. =14*14
32
3
126
196

15. =6^3
4
216
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
126

16. SQRT 25
5
195
272
0 (any fraction with 0 on top is 0)

17. =10^5
112
100 -000
Subtract the smallest number from the greatest number
2 -401

18. =3*5
80
15
Odd
176

19. =4^1
49
176
4
10 -000 -000

20. =11*20
59 -049
220
64
280

21. =9*18
112
4 -096
162
8

22. Any number to the negative power (y) is equal to?
The reciprocal of the same number to the positive power (y). (eg 3^-2 = 1/(3^2) = 1/9)
Undefined
81
128

23. =13*16
208
54
2
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s

24. =6*8
154
48
70
247

25. =12*19
228
153
27
Difference in the y-coordinates over the difference in the x coodinates

26. 30:60:90 Right Triangle (Lenghts)
729
x:x^(1/3):2x
128
51

27. =11*12
48
132
135
240

28. =4*14
Even
(b*h)/2
56
729

29. 64^(1/3)
4
25
128
88

30. =7*9
54
63
5
136

31. =6^2
9
96
288
36

32. =10^7
154
10 -000 -000
1 -000 -000 -000
Amount of increase/original amount = x/100 (Then cross multiply to find x)

33. =3*4
320
5
12
9

34. =8*14
13
112
80
Even

35. =4*17
68
76
208
156

36. =7^2
25
0 (any fraction with 0 on top is 0)
81
49

37. =8*18
144
90
4
104

38. =17*18
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken
6
102
306

39. =3^1
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
3
Number of outcomes you want/total number of possible outcomes
10 -000 -000

40. 4/0 =
81
Undefined
84
343

41. =9*20
2
180
9
5

42. =2^2
64
64
Undefined
4

43. =5*20
340
60
216
100

44. =5*17
90
85
238
3

45. =3^2
Won't = 1 - Will
169
9
0 (any fraction with 0 on top is 0)

46. 0/1 =
Even
729
81
0 (any fraction with 0 on top is 0)

47. =15*17
255
176
266
2 -401

48. =12*16
Itself
220
192
85

49. =14*17
238
70
40
225

50. =7^4
16
2 -401
64
52