Jack wants to use a circular rug on his rectangular office floor…
December 19, 2017
GMAT OFFICIAL GUIDE DS Statement One Alone: Jack’s rug covers an area of 9π square feet. If the area of the rug is 9π square feet, then the radius …
Each month, Jim receives a base salary plus…
December 19, 2017
GMAT OFFICIAL GUIDE DS Solution: To show Jim’s salary and commissions last month, we can create an equation in which n = his base salary and p = his …
Last school year, each of the 200 students at…
December 19, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given that there are 200 students and 8 cultural performances. We need to determine the average number of students attending each cultural …
If a and b are integers, is a + b + 3 an odd integer
December 18, 2017
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether a + b + 3 is odd, or in other words, whether a + b is even. Statement One …
If x and y are positive integers, is xy…
December 18, 2017
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether the product of x and y is even. Statement One Alone: x^2 + y^2 − 1 is divisible by …
Every object in a box is either a sphere or a cube…
December 18, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given that we have red or green spheres or cubes in a box. We need to determine the total number of objects. …
If x and y are positive numbers is x+1/y+1…
December 18, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given that x and y are positive numbers and need to determine whether (x + 1)/(y + 1) > x/y. Simplifying the …
A certain plumber charges $92 for each job completed in 4 hours…
December 18, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given that a certain plumber charges $92 for each job completed in 4 hours or less and $23 per hour for each …