On the xy-coordinate plane, what is the area of a triangle with vertices at (-4, -3), (5, -3), and (-2, -7) ?

(A) 4

(B) 9

(C) 12

(D) 18

(E) 36

Click through to the GMAT Hacks website for the answer and explanation.

]]>If z is a multiple of 24, what is the remainder when z^2 is divided by 9?

(A) 0

(B) 1

(C) 2

(D) 4

(E) 6

Click through to the GMAT Hacks website for the answer and explanation.

]]>A certain toy store sold 20 toys yesterday, each of which was either a $40 toy or a $20 toy. How many $20 toys did the toy store sell?

(1) The average price of the toys sold yesterday was $35.

(2) The total price of the 20 toys sold yesterday was between $650 and $750.

(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.

Click through to the GMAT Hacks website for the answer and explanation.

]]>The average (arithmetic mean) score of x students on a certain exam is 81. If one additional student takes the exam and scores a 99, the average score will increase to 83. What is the value of x ?

(A) 7

(B) 8

(C) 9

(D) 10

(E) 11

Click through to the GMAT Hacks website for the answer and explanation.

]]>In the equation above, k is a constant. If the value of y when x = 4 is 5 less than the value of y when x = 6, what is the value of y when x = 24 ?

(A) 21

(B) 58

(C) 60

(D) 102

(E) 104

Click through to the GMAT Hacks website for the answer and explanation.

]]>Is x negative?

(1) 2x > x^2

(2) x < 1

(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.

Click through to the GMAT Hacks website for the answer and explanation.

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