GMAT Official Guide Quantitative Review 2019_ Book

GMAT® Official Guide 2019 Quantitative Review

C

4

A 4 D

PS05616

70. In the figure above, what is the area of triangular

region BCD?

(Al 4J2.

(Bl

(Cl

(Dl

(El

PS1388 2

8

8J2.

16

16J2.

71. What is the larger of the 2 solutions of the equation
    x^2 - 4x = 96?

(Al 8

(Bl 12

(Cl 16

(Dl 32

(El 100

PS10493

72. Of the goose eggs laid at a certain pond, ~ hatched,
    3 3
    and
    4

of the geese that hatched from those eggs

survived the first month. Of the geese that survived

the first month, ¾ did not survive the first year. If

120 geese survived the first year and if no more than

one goose hatched from each egg, how many goose

eggs were laid at the pond?

(Al 280

(Bl 400

(Cl 540

(Dl 600

(El 840

PS09305

73. If x^2 - 2x -- 15 = 0 and x > 0 which of the following

74.

must be equal to O?

I. x^2 - 6x + 9

II. x^2 - 7x + 10

Ill. x^2 - lOx + 25

(Al I only

(Bl II only

(C) Ill onlly

(Dl II and Ill only

(El I, II, and Ill

PS!0921

--(39,897l(0.0096l

19

• 8

-_ ~- 16 --is approximately

(Al 0. 02

(B)

(Cl

(Dl

0.2

2

20

(El 200

PSl3205

75. If a square region has area n, what is the length of the

diagonal of the square in terms of n?

(A) ffn

(Bl ✓n

(Cl 2 ✓r,

(Dl 2n

(El 2n^2

PS00817

76. The "prime sum" of an integer n greater than 1 is the
    sum of all the prime factors of n, including repetitions.
    For example, the prime sum of 12 is 7, since
    12 = 2 x 2 x 3 and 2 + 2 + 3 = 7. For which of the
    following integers is the prime sum greater than 35?
    (Al 440
    (B) 512
    (Cl 620
    (D) 700
    (El 750