In the figure above, what is the value of z
March 29, 2017
GMAT OFFICIAL GUIDE DS Solution: We need to determine the value of z in the following diagram: Note that z is equal to the length of the rectangle and …
In the figure above, point D is on AC. What is the degree…
March 29, 2017
GMAT OFFICIAL GUIDE DS We are given the following diagram: We need to determine the degree measure of ∠BAC, which is also the degree measure of ∠BAD. Statement One …
The letters D, G, I, I , and T can be used to form 5-letter strings..
March 28, 2017
GMAT OFFICIAL GUIDE PS Solution: This is a permutation problem, because the order of the letters matters. Let’s first determine how many ways we can arrange the letters. Since …
A sequence of numbers a1,a2,a3,…. is defined as follows: a1 = 3, a2 = 5…
March 28, 2017
GMAT OFFICIAL GUIDE PS Solution: We are given a sequence in which every term in the sequence after a2 is the product of all terms in the sequence preceding …
On Saturday morning, Malachi will begin a camping vacation a…
March 28, 2017
GMAT OFFICIAL GUIDE PS Solution: Since we need to determine the probability that Malachi will return home at the end of the day on the following Monday, we must …
Which of the following equations has 1 + √2 as one of…
March 28, 2017
GMAT OFFICIAL GUIDE PS Solution: To solve this problem, we need to use the following two facts: 1) If a quadratic equation has integer coefficients only, and if one …
A certain experimental mathematics program was tried out in 2…
March 28, 2017
GMAT OFFICIAL GUIDE PS Solution: We are given that a certain experimental mathematics program was tried out in 2 classes in each of 32 elementary schools and involved 37 …
Last year 26 members of a certain club…
March 28, 2017
GMAT OFFICIAL GUIDE PS – Solution: We are given the following: England travelers = 26 France travelers = 26 Italy travelers = 32 England and France travelers = 0 …