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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. =13*20
260
NO
1 -000
144

2. When is a number divisible by 3?
36
36
Will = 1 - Won't
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)

3. =5*20
8
252
100
28

4. =7*17
63
119
4
96

5. =9*13
280
260
27
117

6. =15^2
342
42
25
225

7. =6*17
81
216
102
266

8. =3*16
90
64
48
80

9. =11*19
209
102
9
A+B (Add both probabilities)

10. 0/1 =
Odd
40
7
0 (any fraction with 0 on top is 0)

11. =4*10
40
49
3 -125
64

12. =3^3
81
27
Won't = 1 - Will
90

13. =14*17
1 -296
Will = 1 - Won't
238
729

14. =3^5
3
9
4
243

15. =11*14
154
272
162
Won't = 1 - Will

16. =8*10
60
160
88
80

17. =4*6
80
24
50
625

18. =3*13
4
70
39
It gets smaller

19. =17*20
64
3
340
125

20. =1^3
1
1 -024
225
247

21. Right Isosceles triangle (lengths)?
Side - Side - Side^2
10
60
13

22. =9*18
133
The reciprocal of the same number to the positive power (y). (eg 3^-2 = 1/(3^2) = 1/9)
162
234

23. =12*17
198
204
144
280

24. =2^10
27
It gets smaller
3:4:5 -- 5:12:13 -- 7:24:25
1 -024

25. =11^2
162
121
192
25

26. Circumference of a circle?
1 -000
1.732050808
Itself
2pr

27. =15*19
Odd
51
285
165

28. =25^2
143
Pr^2
625
255

29. =8*17
The direction of the inequality symbol changes
59 -049
136
81

30. =6^2
55
256
36
45

31. How do you tell if it's a permutation or combination?

32. =16*16
85
88
256
NO

33. Factor x^2-2xy+y^2
60
35
70
(x-y)^2

34. =7*7
49
9
16
35

35. =3^2
13
Number of outcomes you want/total number of possible outcomes
9
323

36. When is a number divisible by 4?

37. =8*19
152
255
108
40

38. =11*15
99
117
160
165

39. =7*13
Subtract the smallest number from the greatest number
91
33
224

40. =3*11
256
33
136
91

41. 125^(1/3)
5
64
114
Multiply the # of choices for each of the spots

42. Key to percent increase/decrease
2
Amount of increase/original amount = x/100 (Then cross multiply to find x)
39
27

43. 4/0 =
Undefined
96
32
1 -000

44. Dividing Decimals
44
39
Move the decimal to the right on both numbers until there is nothing to the right of the decimal
64

45. =7*16
108
112
Add their exponents (6^2 *6^3 = 6^5)
8

46. SQRT 100 -000 -000
198
36
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)
10 -000

47. =12*12
88
144
81
729

48. =9*17
343
153
96
90

49. =9*20
90
153
180
52

50. =13*14
144
40
182
238