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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. 0/1 =
256
Undefined
39
0 (any fraction with 0 on top is 0)

2. SQRT 100
10
195
80
Odd

3. =9*10
90
66
10 -000
Multiply the exponents (4^3)^2 = 4^(3*2) = 4^6

4. =5^3
A*B (Multiply both probabilities)
108
729
125

5. =11*17
187
4 -096
49
70

6. =15*18
2pr
Odd
256
270

7. =5*17
4
8
85
16

8. When is a number divisible by 4?

9. =5*8
30
247
64
40

10. 125^(1/3)
1 -000 -000 -000
2
5
Start with the number of permutations - that is the numerator(top). The Denominator is the number of combinations (eg 432*1)

11. =4*12
4 -096
48
285
90

12. =11*20
Side - Side - Side^2
Undefined
220
36

13. odd + odd =
Even
2pr
A*B (Multiply both probabilities)
88

14. Exponents - Multiplying numbers with same base
Even
x:x^(1/3):2x
1.414213562
Add their exponents (6^2 *6^3 = 6^5)

15. =18*18
2 -401
324
78
4 -096

16. =15*15
225
192
144
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)

17. =4*16
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
64
Base * Height
25

18. Odds that something doesn't happen?

19. =10^2
105
100
168
270

20. =4*5
7 -776
144
20
16

21. =3*20
60
9
255
216

22. =3^3
27
512
360
4

23. SQRT 4 -096
8
42
140
64

24. =20^2
64
400
90
Amount of increase/original amount = x/100 (Then cross multiply to find x)

25. =13*17
221
132
77
NO

26. =3*3
285
168
A+B (Add both probabilities)
9

27. =2^3
8
52
342
9

28. =13*19
625
Pick the # that occurs most frequently
65
247

29. =7*18
126
168
7
15

30. =17*20
32
0 (any fraction with 0 on top is 0)
176
340

31. =5*5
78
25
204
70

32. =2^8
Pr^2
64
256
7

33. SQRT 729
64
625
4
27

34. =7*17
256
119
40
One (1)

35. =3*16
48
121
Side - Side - Side^2
Permutations ask for 'arraingements' Combinations ask for 'Groups'

36. =11*13
9
70
4
143

37. =5^4
209
9
625
225

38. 30:60:90 Right Triangle (Lenghts)
(b*h)/2
x:x^(1/3):2x
25
10 -000 -000

39. =17*19
48
323
1.414213562
125

40. =8*11
88
228
216
24

41. =7*16
100
27
8
112

42. =2^6
90
Invert (reciprocal) the second fraction and multiply
64
240

43. =4*14
2
54
56
33

44. SQRT 3
49
1.732050808
49
54

45. Basic probability formula?
Number of outcomes you want/total number of possible outcomes
Permutations ask for 'arraingements' Combinations ask for 'Groups'
625
270

46. =7*19
133
80
Pick the # that occurs most frequently
25

47. =2^4
60
8
52
16

48. 729^(1/3)
56
60
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
9

49. =15*16
64
32
240
225

50. =2^1
2
NO
2pr
84