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Math Section-29

Q1:

When 20 is divided by the positive integer k, the remainder is k – 2. Which of the following is a possible value of k ?

A. 8

B. 9

C. 10

D. 11

E. 12

Q2: In the figure above, is quadrilateral PQRS a parallelogram?

(1) The area of ∆PQS is equal to the area of ∆QRS.

(2) QR = RS

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

Q3:

If n is an integer and xn – x-n = 0, what is the value of x ?

(1) x is an integer.

(2) n ≠ 0

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

Q4:

If xy = 165, where x and y are positive integers and x > y, what is the least possible value of x – y ?

A. 2

B. 4

C. 8

D. 15

E. 28

Q5:

According to a survey, 93 percent of teenagers have used a computer to play games, 89 percent have used a computer to write reports, and 5 percent have not used a computer for either of these purposes. What percent of the teenagers in the survey have used a computer both to play games and to write reports?

A. 82%

B. 87%

C. 89%

D. 92%

E. 95%

Q8:

S is a set of points in the plane. How many distinct triangles can be drawn that have three of the points in S as vertices?

(1) The number of distinct points in S is 5.

(2) No three of the points in S are collinear.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient. 前往查看>>GMAT管卫东GWD数学Math完整30套