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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. SQRT 6 -561
247
81
90
70

2. =13*13
169
Base * Height
Itself
625

3. When is a number divisible by 4?

4. Adding and Subtracting Decimals
84
32
Line up the decimal points and proceed as usual
162

5. =6*13
144
105
36
78

6. =12*16
60
256
192
54

7. =4*8
The direction of the inequality symbol changes
Itself
126
32

8. =4^3
209
64
108
272

9. Probability that A and B will both happen?
32
361
729
A*B (Multiply both probabilities)

10. =5^1
64
10
5
187

11. =3*6
119
18
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
1.414213562

12. 64^(1/3)
4
136
121
114

13. =8*14
128
112
10 -000
90

14. =4*5
24
7
272
20

15. Exponents - Multiplying numbers with same base
Add their exponents (6^2 *6^3 = 6^5)
1 -024
625
84

16. =3*3
36
64
300
9

17. Odds that something doesn't happen?

18. =10^9
1 -000 -000 -000
Add their exponents (6^2 *6^3 = 6^5)
1 -000 -000
2pr

19. =5*8
30
280
40
45

20. =3*12
36
144
64
256

21. =4^3
252
8
81
64

22. =2^9
NO
4
12
512

23. =3^2
80
9
60
52

24. SQRT 16
168
4
Combinations don't care about the order of the problems
25

25. =9*13
Even
52
117
300

26. =3*9
27
52
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
247

27. =12*19
NO
9
228
153

28. SQRT 1 -024
25
512
225
32

29. SQRT 9
162
15
3
144

30. SQRT 25
289
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
42
5

31. =6*9
32
54
27
(b*h)/2

32. =13*20
512
260
25
180

33. Basic probability formula?
216
729
Number of outcomes you want/total number of possible outcomes
75

34. SQRT 169
13
216
1 -000
1 -024

35. =2^1
152
2
39
Invert (reciprocal) the second fraction and multiply

36. =6*15
35
132
90
240

37. =15*17
255
121
81
198

38. =6*19
114
72
171
15

39. SQRT 121
Pr^2
40
A*B (Multiply both probabilities)
11

40. =8*11
156
88
260
36

41. =11^2
216
100
80
121

42. Permutations: single source - order matters
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
4 -096
6
168

43. =15*19
6
285
16
729

44. =3^6
108
Won't = 1 - Will
266
729

45. SQRT 1 -000 -000
289
(x-y)^2
1 -000
729

46. =3^3
1 -296
208
88
27

47. =17*20
12
90
340
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)

48. =6*10
240
169
272
60

49. =6^3
6
140
10
216

50. =12*17
304
5
Add or subtract the numbers on top and keep the same denominator
204