Is x > 1? (1) (x+1)(|x|−1)>0 (2) |x|<5 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)
Is x > 1? Read the Full Article »
On the number line shown, is zero halfway between r and s? (1) s is to the right of zero (2) The distance between t and r is the same as the distance between t and -s A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B. Statement (2) ALONE is
On the number line shown, is zero halfway between r and s? Read the Full Article »
A. \( \pi r^2 \) B. \( \pi r^2 + 10 \) C. \( \pi r^2 + \frac{1}{4}\pi^2 r^2 \) D. \( \pi r^2 + (40-2\pi r)^2 \) E. \( \pi r^2 + \left(10-\frac{1}{2}\pi r\right)^2 \) Here’s another tough geometry question from the GMAT Prep tests 1 and 2. This one comes up a lot
If m, p, s and v are positive, and m/p<s/v, which of the following must be between m/p and s/v I. m+s/p+v II. ms/pv III. s/v−m/p A. None B. I only C. II only D. III only E. I and II both Correct Answer: B Full explanation coming soon. Send us a note if you’d
A certain list consists of 21 different numbers. If n is in the list and n is 4 times the average(arithmetic mean) of the other 20 numbers in the list, then n is what fraction of the sum of the 21 numbers in the list? (A) 1/20 (B) 1/6 (C) 1/5 (D) 4/21 (E) 5/21