At a certain picnic, each of the guests was served either a…
April 28, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that at a certain picnic, each of the guests was served either a single scoop or a double scoop of ice …
What is the value of n…
April 28, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given the equation -25 + 19 + n = s, which can be simplified to -6 + n = s. We must …
Max has $125 consisting of bills each worth either $5 or…
April 28, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that Max has $125 consisting of $5 or $20 dollar bills and we need to determine the number of $5 bills …
What is the tens digit of 6^17?
April 28, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine the tens digit of the positive integer x. Statement One Alone: x divided by 100 has a remainder of 30. …
Each gift certificate sold yesterday by a certain bookstore…
April 28, 2016
GMAT OFFICIAL GUIDE DS – Solution: We are given that a store sold gift certificates of either $10 or $50. Let’s define some variables for the numberof $10 and …
What is the value of z…
April 28, 2016
GMAT OFFICIAL GUIDE DS – Solution: We are given three angles of a triangle, angles x, y, and z. Since the angles in a triangle sum to 180 degrees, …
Guy’s net income equals his gross income minus his deductions. By what…
April 28, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that Guy’s net income is equal to his gross income minus his deductions and we want to determine by what percent …
A taxi company charges f cents for the first mile…
April 28, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that a taxi company charges f cents for the first mile of the taxi ride and m cents for each additional …