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GMAT Math > FDPR > Flashcards

FDPR Flashcards

1
Q

FDP Equivalents

1/100

A

.01

1%

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2
Q

FDP Equivalents

.01

A

1/100

1%

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3
Q

FDP Equivalents

1%

A

1/100

.01

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4
Q

FDP Equivalents

1/50

A

.02

2%

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5
Q

FDP Equivalents

.02

A

1/50

2%

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6
Q

FDP Equivalents

2%

A

1/50

.02

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7
Q

FDP Equivalents

1/25

A

.04

4%

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8
Q

FDP Equivalents

.04

A

1/25

4%

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9
Q

FDP Equivalents

4%

A

1/25

.04

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10
Q

FDP Equivalents

1/20

A

.05

5%

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11
Q

FDP Equivalents

1/10

A

.10

10%

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12
Q

FDP Equivalents

.10

A

1/10

10%

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13
Q

FDP Equivalents

10%

A

1/10

.10

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14
Q

FDP Equivalents

1/9

A

.1111…

11.1…%

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15
Q

FDP Equivalents

.1111…

A

1/9

11.1%

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16
Q

FDP Equivalents

11.1%

A

1/9

11.1%

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17
Q

FDP Equivalents

1/8

A

.125

12.5%

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18
Q

FDP Equivalents

.125

A

1/8

12.5%

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19
Q

FDP Equivalents

12.5%

A

1/8

.125

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20
Q

FDP Equivalents

1/6

A

.16…

16.6…%

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21
Q

FDP Equivalents

.16…

A

1/6

16.6…%

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22
Q

FDP Equivalents

16.6…%

A

1/6

16.6…%

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23
Q

FDP Equivalents

1/5

A

.2

20%

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24
Q

FDP Equivalents

.2

A

1/5

20%

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25
Q

FDP Equivalents

20%

A

1/5

.2

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26
Q

FDP Equivalents

1/4

A

.25

25%

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27
Q

FDP Equivalents

.25

A

1/4

25%

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28
Q

FDP Equivalents

25%

A

1/4

.25

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29
Q

FDP Equivalents

3/10

A

.3

30%

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30
Q

FDP Equivalents

.3

A

3/10

30%

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31
Q

FDP Equivalents

30%

A

3/10

30%

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32
Q

FDP Equivalents

1/3

A

.333…

33.3…%

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33
Q

FDP Equivalents

.333…

A

1/3

33.3…%

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34
Q

FDP Equivalents

33.3…%

A

1/3

.333…

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35
Q

FDP Equivalents

3/8

A

.375

37.5%

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36
Q

FDP Equivalents

.375

A

3/8

37.5%

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37
Q

FDP Equivalents

37.5%

A

3/8

.375

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38
Q

FDP Equivalents

2/5

A

.4

40%

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39
Q

FDP Equivalents

.4

A

2/5

40%

40
Q

FDP Equivalents

40%

A

2/5

.4

41
Q

FDP Equivalents

1/2

A

.5

50%

42
Q

FDP Equivalents

.5

A

1/2

50%

43
Q

FDP Equivalents

50%

A

1/2

.5

44
Q

FDP Equivalents

3/5

A

.6

60%

45
Q

FDP Equivalents

.6

A

3/5

60%

46
Q

FDP Equivalents

60%

A

3/5

.6

47
Q

FDP Equivalents

5/8

A

.625

62.5%

48
Q

FDP Equivalents

.625

A

5/8

62.5%

49
Q

FDP Equivalents

62.5%

A

5/8

.625

50
Q

FDP Equivalents

2/3

A

.66…

66.66..%

51
Q

FDP Equivalents

.66…

A

2/3

66.66…%

52
Q

FDP Equivalents

66.66…%

A

2/3

.66…

53
Q

FDP Equivalents

7/10

A

.7

70%

54
Q

FDP Equivalents

.7

A

7/10

70%

55
Q

FDP Equivalents

70%

A

7/10

.7

56
Q

FDP Equivalents

3/4

A

.75

75%

57
Q

FDP Equivalents

.75

A

3/4

75%

58
Q

FDP Equivalents

75%

A

3/4

.75

59
Q

FDP Equivalents

4/5

A

.8

80%

60
Q

FDP Equivalents

.8

A

4/5

80%

61
Q

FDP Equivalents

80%

A

4/5

.8

62
Q

FDP Equivalents

5/6

A

.833…

83.3…%

63
Q

FDP Equivalents

.833…

A

5/6

83.3…%

64
Q

FDP Equivalents

83.3%

A

5/6

.833…

65
Q

FDP Equivalents

7/8

A

.875

87.5%

66
Q

FDP Equivalents

.875

A

7/8

87.5%

67
Q

FDP Equivalents

87.5%

A

7/8

.875

68
Q

FDP Equivalents

9/10

A

.9

90%

69
Q

FDP Equivalents

.9

A

9/10

90%

70
Q

FDP Equivalents

90%

A

.9

9/10

71
Q

FDP Equivalents

1/1

A

1

100%

72
Q

FDP Equivalents

1

A

1/1

100%

73
Q

FDP Equivalents

100%

A

1/1

1

74
Q

FDP Equivalents

5/4

A

1.25

125%

75
Q

FDP Equivalents

1.25

A

5/4

125%

76
Q

FDP Equivalents

125%

A

5/4

1.25

77
Q

FDP Equivalents

4/3

A
  1. 33…

13. 3…%

78
Q

FDP Equivalents

1.33…

A

4/3

13.3…%

79
Q

FDP Equivalents

133.3…%

A

4/3

1.33

80
Q

FDP Equivalents

3/2

A

1.5

150%

81
Q

FDP Equivalents

1.5

A

3/2

150%

82
Q

FDP Equivalents

150%

A

3/2

1.5

83
Q

FDP Equivalents

7/4

A

1.75

175%

84
Q

FDP Equivalents

1.75

A

7/4

175%

85
Q

FDP Equivalents

175%

A

7/4

1.75

86
Q

ratios

What are two strategies that can be used on complicated ratio questions?

A

1) combine terms when you have a multiple ratios

2) use the unknown multiplier principle

87
Q

ratios

How do you combine terms?

A

change ratios to have common terms corresponding to the same quantity just as you can change fractions to have the same denominator.

88
Q

FDPR word problems

Two types of information is presented in these problems: Concrete Values & Relative Values. What is the difference and why does it matter?

A

Concrete values are actual amounts

Relative values relate two quantities using fractions, decimals, percents, or ratios

You need MORE info to answer a concrete value.

89
Q

tip

What is needed for the statement to be sufficient in a data sufficiency question that asks for the relative value of two pieces of a ratio?

(Ex. A company sells only two kinds of pie: apple pie and cherry pie. What fraction of the total pies sold last month were apple pies?)

A

ANY statement that gives the relative value of ANY two pieces of the ratio will be sufficient.

(Ex. the compnay sold 30% more cherry pies than apple pies last month)

90
Q

tip

What is needed for the statement to be sufficient in a data sufficiency question that asks for the concrete value of one element of a ratio?

(Ex. A company sells only two kinds of pie: apple pie and cherry pie. How many apple pies did the company sell last month?)

A

BOTH the concrete value of another element of the ratio AND the relative value of two elements of the ratio.

(Ex. The company sold 460 pies AND The company sold 30% more cherry pies than apple pies last month)

91
Q

strategy

What is a “Smart Number”? When should you use it and shouldn’t you?

A

Smart Numbers are real numbers that you use to stand in for variables. To make computation easier, choose smart numbers equal to common multiples of the denominators of the fractions in the problem.

DO pick smart number when no amounts are given in the problem

DO NO pick smart numbers when any amount or total is given

92
Q

strategy

How can you simplify percent problems that include unspecified numerical amounts?

A

Use 100 as your smart number

93
Q

strategy

Describe a use of Benchmark values in fraction problems

A

Use benchmark values when comparing fractions, estimating the fraction as a more simple fraction that it is close to. NOTE: try to make rounding errors cancel

94
Q

strategy

What is the heavy division shortcut?

A

get a single digit to the left of the decimal in the denominator to get an approximate answer. If it isn’t precise enough, keep one more decimal.

ex.
1,530,794 15.30794
————— = ————–
314,900 3.149000

Answer is about 5

95
Q

tip

How can you determine if something will be a terminating decimal?

A

1st - the divisor is key
2nd - if the divisor has only 2s and/or 5s as Prime Factors, after we cancel common factors with the numerator, it will always be a terminating decimal

GMAT Math (10 decks)

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