Of the 60 animals on a certain farm, 2/3 are either pigs or cows. How many of the animals are cows? (1) The farm has more than twice as many cows as pigs (2) The farm has more than 12 pigs A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B. […]
In a village of 100 households, 75 have at least one DVD player, 80 have at least one cell phone, and 55 have at least one MP3 player. If x and y are respectively the greatest and lowest possible number of households that have all three of these devices, x – y is: A. 65
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 »
