Test your basic knowledge |

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. Exponents - Dividing numbers with same base
7
18
180
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)

2. =11*15
165
Multiply the # of choices for each of the spots
1.732050808
176

3. =13*16
3
208
400
81

4. =5*19
95
13
121
285

5. SQRT 3
180
Add their exponents (6^2 *6^3 = 6^5)
152
1.732050808

6. SQRT 225
16
15
8
65

7. =15*15
Won't = 1 - Will
225
240
196

8. =3^3
90
27
169
42

9. =11*17
6
27
187
119

10. =2^9
32
100 -000
65
512

11. =3*14
42
10 -000 -000 -000
108
126

12. =4*7
x:x^(1/3):2x
28
117
270

13. SQRT 625
Even
16
25
108

14. How do you find the median of a set of numbers?
Even
120
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
80

15. SQRT 169
13
220
9
16

16. 125^(1/3)
Difference in the y-coordinates over the difference in the x coodinates
5
Ignor decimal points and multiply the two numbers - then count the digits to the right of the decimal points in the original numbers and place the decimal so there are the same number of digits to the right of the decimal
70

17. =6*15
9
221
90
Base * Height

18. =14*20
280
40
90
39

19. Factor x^2-2xy+y^2
0 (any fraction with 0 on top is 0)
135
(x-y)^2
A*B (Multiply both probabilities)

20. =6^4
135
72
1
1 -296

21. =19*19
3:4:5 -- 5:12:13 -- 7:24:25
361
46 -656
209

22. When is a number divisible by 3?
Undefined
143
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)
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)

23. Pythagorean Triples (lengths)?
3:4:5 -- 5:12:13 -- 7:24:25
6
208
13

24. =14*17
96
238
It gets smaller
6

25. =14*19
266
56
140
100

26. Any number to the 0 power is?
6
125
39
One (1)

27. =7*15
1
105
243
15

28. =8*15
120
0 (any fraction with 0 on top is 0)
10 -000 -000
25

29. SQRT 1 -296
36
76
162
Move the decimal to the right on both numbers until there is nothing to the right of the decimal

30. =9*13
25
104
117
Difference in the y-coordinates over the difference in the x coodinates

31. =13*15
304
28
27
195

32. SQRT 2 -401
49
10 -000
57
78

33. =7*12
84
140
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

34. SQRT 36
4
112
6
160

35. =11*11
9
121
54
400

36. Does x^6 - x^2 = x^4?
102
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken
54
NO

37. =8^2
90
64
7 -776
8

38. =12*19
85
6 -561
Odd
228

39. =7*8
56
144
306
3

40. =11*20
100
220
15
119

41. =4*19
76
42
1 -000 -000 -000
70

42. =7^1
128
Even
7
57

43. =17*19
304
Base * Height
77
323

44. =6*20
120
4 -096
55
4

45. =3*9
27
343
1 -296
270

46. =7^3
0 (any fraction with 0 on top is 0)
144
255
343

47. =8*20
55
160
240
171

48. SQRT 1 -024
32
125
2 -401
64

49. =9*16
9
40
Move the decimal to the right on both numbers until there is nothing to the right of the decimal
144

50. =17*18
4 -096
306
(x-y)^2
288