If x>y^2>z^4, which of the following statements could be true? I. x>y>zx>y>z II. z>y>xz>y>x III. x>z>y A. I only B. I and II only C. 1 and III only D. II and III only E. I, II and III Correct Answer: E Full explanation coming soon. Send us a note if you’d like this added
If x>y^2>z^4, which of the following statements could be true? Read the Full Article »
If is n is multiple of 5, and n=p^2*q where p and q are prime, which of the following must be a multiple of 25? A. p^2 B. q^2 C. pq D. p^2*q^2 E. p^3*q Correct Answer: D Full explanation coming soon. Send us a note if you’d like this added to the express queue!
Is |x – y| > |x| – |y|? (1) y < x (2) xy < 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.
Is |x – y| > |x| – |y|? Read the Full Article »
If x is positive, which of the following could be correct ordering of 1/x, 2x, and x^2? I. x^2<2x<1/x II. x^2<1/x<2x III. 2x<x^2<1/x (A) none (B) I only (C) III only (D) I and II (E) I, II and III Correct Answer: D Full explanation coming soon. Send us a note if you’d like this
If there are fewer than 8 zeroes between the decimal point and the first nonzero digit in the decimal expansion of (t/1000)^4, which of the following numbers could be the value of t? I. 3 II. 5 III. 9 (A) None (B) I only (C) II only (D) III only (E) II and III Correct