If a, b, c, and d are numbers on the number line shown and if the tick marks are equally spaced, what is the value of a+c? (1) a + b = -8 (2) a + d = 0 A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B. Statement (2) […]
If a, b, c, and d are numbers on the number line shown Read the Full Article »
Each person who attended a company meeting was either a stockholder in the company, an employee of the company, or both. If 62 percent of those who attended the meeting were stockholders and 47 percent were employees, what percent were stockholders who were not employees? (A) 34% (B) 38% (C) 45% (D) 53% (E) 62%
For any positive integer x, the 2-height of x is defined to be the greatest nonnegative integer n such that 2^n is a factor of x. If k and m are positive integers, is the 2-height of k greater than the 2-height of m? (1) k > m (2) k/m is an even integer. A.
If k^2 = m^2, which of the following must be true? (A) k = m (B) k = −m (C) k = |m| (D) k = −|m| (E) |k| = |m| Correct Answer: E Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find tons of
If k^2 = m^2, which of the following must be true? Read the Full Article »
In the xy-plane, lines k and l intersect at the point (1,1). Is the y-intercept of k greater than the y-intercept of l? (1) The slope of k is less than the slope of l. (2) The slope of l is positive. A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
