When a player in a certain game tossed a coin a number…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that when a coin was tossed a certain number of times, 4 more heads than tails resulted. If we let H …
Last year, a certain company began manufacturing product X…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that the expenses for manufacturing product X were $100,000 plus 5% of the total revenue from all units of product X …
If Juan had a doctor’s appointment on a certain day, was the…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether Juan’s appointment was on Wednesday. Statement One Alone: Exactly 60 hours before the appointment, it was Monday. Although we …
In Jefferson School, 300 students…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: An easy way to solve this problem is to set up a double set matrix. In our matrix we have two main categories: study …
How many of the 60 cars sold…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: An easy way to solve this problem is to set up a double set matrix. In our matrix we have two main categories: power …
If ° represents one of the operations…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that ° represents one of the following operations: addition, subtraction, or multiplication, and we must determine whether k ° (l + …
The table above shows the results of a survey of 100 voters…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that 100 voters were surveyed about their impressions of candidate M and of candidate N, and they responded in the following …
If x, y, and z are three-digit positive integers and if x
May 5, 2016
GMAT OFFICIAL GUIDE DS – Solution: We are given that x, y, and z are three-digit positive integers. We are also given that x = y + z. We …