In the xy-plane, what is the y-intercept of line l? (1) The slope of line l is 3 times its y-intercept (2) The x-intercept of line l is -1/3 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. […]
In the xy-plane, what is the y-intercept of line l? Read the Full Article »
Each of the 25 balls in a certain box is either red, blue or white and has a number from 1 to 10 painted on it. If one ball is to be selected at random from the box, what is the probability that the ball selected will either be white or have an even number
Three grades of milk are 1 percent, 2 percent and 3 percent fat by volume. If x gallons of the 1 percent grade, y gallons of the 2 percent grade, and z gallons of the 3 percent grade are mixed to give x+y+z gallons of a 1.5 percent grade, what is x in terms of
Machines X and Y work at their respective constant rates. How many more hours does it take machine Y, working alone, to fill a production order of a certain size than it takes machine X, working alone? (1) Machines X and Y, working together, fill a production order of this size in two-thirds the time
How many different prime numbers are factors of the positive integer n? (1) Four different prime numbers are factors of 2n. (2) Four different prime numbers are factors of n^2. 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
How many different prime numbers are factors of the positive integer n? Read the Full Article »
