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. =6^2
272
68
125
36

2. =2^4
16
Even
Will = 1 - Won't
343

3. =4*12
225
48
121
171

4. =9^2
60
81
10
112

5. 27^(1/3)
3
Even
42
360

6. =2^3
2
Add or subtract the numbers on top and keep the same denominator
225
8

7. =6^6
46 -656
140
7 -776
15

8. 125^(1/3)
5
324
Invert (reciprocal) the second fraction and multiply
140

9. =2^2
56
4
234
100

10. =4^3
64
140
208
168

11. =10^2
6 -561
121
16
100

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

13. =11*16
42
156
729
176

14. =4*14
56
100
81
13

15. =7^2
49
59 -049
165
128

16. =5*14
162
324
70
121

17. =1^3
Invert (reciprocal) the second fraction and multiply
x:x^(1/3):2x
1
126

18. =25^2
51
625
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

19. =5^5
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
3 -125
Odd
51

20. =6*12
72
81
32
114

21. =8^2
1 -296
64
32
105

22. =2^8
48
88
256
125

23. =20^2
49
117
400
Subtract the smallest number from the greatest number

24. =5*11
25
55
9
1 -024

25. =9*15
8
135
54
5

26. Probability that A and B will both happen?
260
70
A*B (Multiply both probabilities)
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)

27. =11*12
63
27
132
32

28. =8*11
88
125
80
Add their exponents (6^2 *6^3 = 6^5)

29. odd x odd =
140
10 -000
256
Odd

30. SQRT 1 -024
114
10 -000 -000 -000
32
234

31. =2^3
306
120
729
8

32. SQRT 1 -296
216
128
169
36

33. Factor x^2-2xy+y^2
400
60
(x-y)^2
Odd

34. =15^2
99
225
Invert (reciprocal) the second fraction and multiply
324

35. =3*11
33
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
256
49

36. 0/1 =
76
45
0 (any fraction with 0 on top is 0)
Odd

37. =11*14
360
154
40
Add their exponents (6^2 *6^3 = 6^5)

38. =10^9
65
Undefined
1 -000 -000 -000
7

39. =11*19
6
209
52
10 -000 -000

40. =10^7
10 -000 -000
49
60
152

41. =12*15
80
2
80
180

42. =8*17
323
It gets smaller
136
Difference in the y-coordinates over the difference in the x coodinates

43. =18*18
56
7 -776
A*B (Multiply both probabilities)
324

44. =3*17
216
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
39
51

45. =12*19
360
228
6 -561
16

46. Area of a circle?
225
126
0 (any fraction with 0 on top is 0)
Pr^2

47. =4*5
20
400
32
280

48. =12*18
A+B (Add both probabilities)
48
192
216

49. =9*19
35
266
171
1 -024

50. Circumference of a circle?
Undefined
144
2pr
68