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. =9*11
54
192
8
99

2. =20^2
729
400
1 -000 -000 -000
36

3. =7^3
1 -000
228
108
343

4. =8*17
27
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
84
136

5. =13*20
260
238
Multiply the numerators and put the product over the product of the denominators
210

6. =14*20
24
280
63
512

7. 512^(1/3)
8
16
9
10 -000

8. =11*15
9
143
165
10

9. =18*19
342
A*B (Multiply both probabilities)
48
343

10. =3*11
3
9
36
33

11. Dividing Decimals
48
Move the decimal to the right on both numbers until there is nothing to the right of the decimal
35
15

12. =15*18
243
66
270
323

13. =3^4
289
81
121
15

14. Factor x^2-2xy+y^2
Side - Side - Side^2
195
(x-y)^2
180

15. SQRT 400
100
20
1.732050808
Multiply both fractions to get a common denominator add or subtract as usual

16. =6^4
1 -296
70
154
100 -000

17. =7*14
306
98
342
270

18. =10^6
x:x^(1/3):2x
A+B (Add both probabilities)
5
1 -000 -000

19. Adding or subtracting fractions with different denominators
42
Multiply both fractions to get a common denominator add or subtract as usual
Side - Side - Side^2
6

20. =13*17
60
243
512
221

21. Permutations: single source - order matters
7
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
Even
260

22. =8*15
3
380
288
120

23. =16*18
80
288
64
1 -296

24. =9*17
Multiply the # of choices for each of the spots
66
153
Rate * Time = Distance (Hint: Draw a chart)

25. SQRT 16
63
57
4
1 -024

26. =4*17
36
8
68
48

27. =6*19
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
114
120
Combinations don't care about the order of the problems

28. =2^10
8
1 -024
625
54

29. even x odd =
Even
1.414213562
Combinations don't care about the order of the problems
64

30. =10^2
126
100
6
60

31. Does x^6 - x^2 = x^4?
Undefined
Will = 1 - Won't
304
NO

32. SQRT 4 -096
Side - Side - Side^2
Multiply the exponents (4^3)^2 = 4^(3*2) = 4^6
64
72

33. SQRT 729
1 -296
27
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)
300

34. =6*9
154
3 -125
270
54

35. =6*14
33
A+B (Add both probabilities)
84
1 -000

36. =9^4
6 -561
1
196
180

37. =12*13
64
100
156
Base * Height

38. =7*20
400
140
9
81

39. =2^2
4
72
729
NO

40. =7*13
221
255
121
91

41. =10^7
10 -000 -000
Start with the number of permutations - that is the numerator(top). The Denominator is the number of combinations (eg 432*1)
4
729

42. SQRT 6 -561
72
81
204
16

43. SQRT 1 -024
5
Base * Height
32
6

44. 343^(1/3)
96
7
225
Odd

45. =13*13
Side - Side - Side^2
169
45
1 -000

46. =11*12
224
132
45
Itself

47. =4^1
96
81
15
4

48. =9*14
1 -000
126
55
8

49. When is a number divisible by 6?
60
198
125
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)

50. =11*11
121
28
9
49