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GRE Advanced GRE Math Questions

Advanced GRE Math Questions

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Advanced GRE Math Questions

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  • GRE

    Advanced GRE Math Questions

  • Quantitative ArithmeticGRE

    2

    1. C

    Answers

    1. What is the sum of all integers x , such that ?

    (A) 73

    (B) 37

    (C) 36

    (D) 36

    (E) 37

    37 35x <

  • Quantitative Fractions and RatiosGRE

    3

    1. E

    2. B

    3. B

    4. B

    Answers

    Column A Column B

    2. 2 6 3 9a b c d+ = +

    9 3a b+ 6 3c d+

    3.

    1 1 1 1 1 1 112 4 8 16 32 64 128

    k = + + + + + + +

    k 2

    4. n 3

    1 1 1 1 1 112 3 4 5 6 7

    n = + + + + + +

    1. The current ratio of boys to girls at a certain school is 2 to 5. If 12 additional boys were added to the school, the new ratio of boys to girls would be 4 to 9. How many boys currently attend the school?

    (A) 27

    (B) 48

    (C) 54

    (D) 72

    (E) 108

    a, b, c, and dare positive

  • Quantitative WorkGRE

    4

    1. C

    2. B

    3. C

    Answers

    (A) 1 (B) 5(C) 7(D) 25(E) 35

    1. If 7 workers can build 7 cars in 7 days, then how many days would it take 5 workers to build 5 cars?

    (A) 28 (B) 30(C) 32(D) 36(E) 40

    3. Bea can paint a house three times faster than Alice can paint a house. If, working together, it takes Alice and Bea 24 hours to paint a house, then how many hours would it take Bea to paint a house alone?

    2. If 6 workers can build 4 cars in 2 days, then how many days would it take 8 workers to build 6 cars?

    (A)

    (B)

    (C)

    (D)

    (E)

    5394

    83114

    103

  • Quantitative PercentGRE

    5

    (A) 0.001

    (B) 0.01

    (C) 0.1

    (D) 1

    (E) 10

    1. What percent of 15 is 15 percent of 1? 1. D

    Answers

  • Quantitative Integer PropertiesGRE

    6

    1. Marge has n candies, where n is an integer such that 20 < n < 50. If Marge divides the candies equally among 5 children, she will have 2 candies remaining. If she divides the candies among 6 children, she will have 1 candy remaining. How many candies will remain if she divides the candies among 7 children?

    (A) 0

    (B) 1

    (C) 2

    (D) 3

    (E) 4

    2. If x is an integer, and k = (x 1)(x + 2) (x 1)(x 2), then which of the following must be true?

    (A) k is odd only when x is odd. (B) k is odd only when x is even.(C) k is even only when x is even.(D) k is even only when x is odd.(E) None of the above.

    3. If k is an integer, and is an integer, then k could be each of the following, EXCEPT

    (A) 8

    (B) 9

    (C) 12

    (D) 16

    (E) 17

    235 1k

    1. C

    2. E

    3. D

    Answers

  • Quantitative Integer PropertiesGRE

    7

    1. k is a positive integer and 225 and 216 are both divisors of k . If , where a , b and care positive integers, what is the least possible value of a + b + c ?

    (A) 4

    (B) 5

    (C) 6

    (D) 7

    (E) 8

    2 3 5a b ck =

    2. What is the smallest positive integer k such that the product is a perfect square?

    (A) 7

    (B) 9

    (C) 15

    (D) 25

    (E) 63

    1575 k

    1. E

    2. A

    Answers

  • Quantitative - PowersGRE

    8

    1.

    (A)

    (B)

    (C)

    (D)

    (E)

    3 3 3X X X+ + =9X

    13X +

    39 X

    23 X

    33 X

    2. If n is an integer and , what is the least possible value of n ?

    (A) 7

    (B) 8

    (C) 9

    (D) 10

    (E) 11

    5 4,000,000n >

    4. ( )203 ( )153 9

    Column A Column B

    3.

    2

    4

    kxx 2

    k

    x

    1. B

    2. D

    3. D

    4. C

    Answers

  • Quantitative RootsGRE

    9

    (A)

    (B)

    (C)

    (D)

    (E)

    1. If , then6 6x = 6x =6

    6 6

    66

    366

    186

    (A)

    (B)

    (C)

    (D)

    (E)

    2. Which of the following is the best approximation of ?253.8 1051.9 1056.2 10121.9 10126.2 10251.9 10

    1. D

    2. D

    Answers

  • Quantitative AlgebraGRE

    10

    2. Which of the following is equivalent to for all values of x for which both expressions are defined?

    ( )22

    2 3 2 62 3

    x x xx x

    + +

    (A)

    (B)

    (C)

    (D)

    (E)

    22 2x 2 2x +

    1x +2 6x +

    1x

    3. If , then what is the value of y in terms of x ? ( )3 2x y x= (A)

    (B)

    (C)

    (D)

    (E)

    3x

    6x

    23x

    3x

    6x

    (A)

    (B)

    (C)

    (D)

    (E)

    1

    1x +1x11x +

    2x x+

    1. Which of the following is equivalent to for all values of x for which both expressions are defined?

    111x

    x

    +1. D

    2. B

    3. C

    Answers

  • Quantitative AlgebraGRE

    11

    1. Which of the following is equivalent to ? ( )2 1 2xy xy y y+ +(A)

    (B)

    (C)

    (D)

    (E)

    ( )22 1xy y +( ) ( )2 1 2 1xy xy+ ( )22x y+( )22x y+( )22y x y

    2.

    (A)

    (B)

    (C)

    (D)

    (E)

    ( ) ( )9 8 7 63 3 3 3 =43

    143

    146

    142 3144 3

    1. A

    2. E

    3. B

    Answers

    Column A Column B

    3.

    01

    xy