If x is an integer, what is the value of x? (1) x^2 – 4x + 3 < 0 (2) x^2 + 4x +3 > 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
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The annual rent collected by a corporation from a certain building was x percent more in 1998 than in 1997 and y percent less in 1999 than in 1998. Was the annual rent collected by the corporation from the building more in 1999 than in 1997? (1) \( x > y \) (2) \( \frac{xy}{100}
The sequence \( a_1, a_2, \dots, a_n \) is such that \( a_n = \frac{a_{n-1} + a_{n-2}}{2} \) for all \( n \ge 3 \). If \( a_3 = 4 \) and \( a_5 = 20 \), what is the value of \( a_6 \)? (A) 12 (B) 16 (C) 20 (D) 24 (E) 28
For a party, three solid cheese balls with diameters of 2 inches, 4 inches, and 6 inches, respectively, were combined to form a single cheese ball. What was the approximate diameter, in inches, of the new cheese ball? (The volume of a sphere is 4/3πr^3, where r is the radius.) (A) 12 (B) 16 (C)
If xy ≠ 0 and x^2y^2−xy=6, which of the following could be y in terms of x? I. 1/(2x) II. -2/x III. 3/x (A) I only (B) II only (C) I and II (D) I and III (E) II and III Correct Answer: E Full explanation coming soon. Send us a note if you’d like
If xy ≠ 0 and x^2y^2−xy=6, which of the following could be y in terms of x? Read the Full Article »