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GRE Studying > Mathy Things > Flashcards

Mathy Things Flashcards

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2
Q

1/8 (%)

A

12.50%

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3
Q

1/6 (%)

A

16.60%

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4
Q

1/5 (%)

A

20%

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5
Q

1/4 (%)

A

25%

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6
Q

1/3 (%)

A

33.30%

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7
Q

3/8 (%)

A

37.50%

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8
Q

2/5 (%)

A

40%

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9
Q

1/2 (%)

A

50%

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10
Q

3/5 (%)

A

60%

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11
Q

5/8 (%)

A

62.50%

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12
Q

2/3 (%)

A

66.60%

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13
Q

3/4 (%)

A

75%

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14
Q

4/5 (%)

A

80%

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15
Q

5/6 (%)

A

83.30%

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16
Q

7/8 (%)

A

87.50%

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17
Q

1/8 (decim.)

A

0.125

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18
Q

1/6 (decim.)

A

0.166

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19
Q

1/5 (decim.)

A

0.2

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20
Q

1/4 (decim.)

A

0.25

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21
Q

1/3 (decim.)

A

0.333

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22
Q

3/8 (decim.)

A

0.375

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23
Q

2/5 (decim.)

A

0.4

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24
Q

1/2 (decim.)

A

0.5

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25
Q

3/5 (decim.)

A

0.6

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26
Q

5/8 (decim.)

A

0.625

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27
Q

2/3 (decim.)

A

0.666

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28
Q

3/4 (decim.)

A

0.75

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29
Q

4/5 (decim.)

A

0.8

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30
Q

5/6 (decim.)

A

0.833

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31
Q

7/8 (decim.)

A

0.875

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32
Q

12.50%

A

1/8 (%)

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33
Q

16.60%

A

1/6 (%)

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34
Q

20%

A

1/5 (%)

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35
Q

25%

A

1/4 (%)

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36
Q

33.30%

A

1/3 (%)

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37
Q

37.50%

A

3/8 (%)

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38
Q

40%

A

2/5 (%)

39
Q

50%

A

1/2 (%)

40
Q

60%

A

3/5 (%)

41
Q

62.50%

A

5/8 (%)

42
Q

66.60%

A

2/3 (%)

43
Q

75%

A

3/4 (%)

44
Q

80%

A

4/5 (%)

45
Q

83.30%

A

5/6 (%)

46
Q

87.50%

A

7/8 (%)

47
Q

0.125

A

1/8 (decim.)

48
Q

0.166

A

1/6 (decim.)

49
Q

0.2

A

1/5 (decim.)

50
Q

0.25

A

1/4 (decim.)

51
Q

0.333

A

1/3 (decim.)

52
Q

0.375

A

3/8 (decim.)

53
Q

0.4

A

2/5 (decim.)

54
Q

0.5

A

1/2 (decim.)

55
Q

0.6

A

3/5 (decim.)

56
Q

0.625

A

5/8 (decim.)

57
Q

0.666

A

2/3 (decim.)

58
Q

0.75

A

3/4 (decim.)

59
Q

0.8

A

4/5 (decim.)

60
Q

0.833

A

5/6 (decim.)

61
Q

0.875

A

7/8 (decim.)

62
Q

don’t suck at order of operation

A

um, ok.

63
Q

degrees in triangle

A

180

64
Q

percent decrease

A

100 x (amount incr.)/(original whole)

65
Q

percent increase

A

100 x (amount decr.)/(original whole)

66
Q

average

A

sum/(# of #s)

67
Q

number of consecutive numbers (between A, B)

A

B - A + 1

68
Q

sum of consecutive numbers (A to B)

A

avg(A, B) x (B - A + 1)

69
Q

median

A

middle value of consecutively-oredered #s

70
Q

mode

A

that appears most often

71
Q

range

A

max - min

72
Q

“symbols” on GRE

A

just shorthand for functions

73
Q

180

A

degrees in triangle

74
Q

100 x (amount incr.)/(original whole)

A

percent decrease

75
Q

100 x (amount decr.)/(original whole)

A

percent increase

76
Q

sum/(# of #s)

A

average

77
Q

B - A + 1

A

number of consecutive numbers (between A, B)

78
Q

avg(A, B) x (B - A + 1)

A

sum of consecutive numbers (A to B)

79
Q

middle value of consecutively-oredered #s

A

median

80
Q

that appears most often

A

mode

81
Q

max - min

A

range

82
Q

permutation

A
83
Q
A

a = c

b = d

84
Q
A

s = q = h = f

p = r = g = e

85
Q
A

permutation

86
Q

isosceles triangle

A
87
Q
A

isosceles triangle

88
Q

45-45-90

A
89
Q

30-60-90

A
90
Q

combination

A
91
Q
A

45-45-90

92
Q
A

30-60-90

93
Q
A

combination

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