A flat patio was built alongside a house…
May 9, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given a diagram of a patio and a house. Let’s first sketch that diagram. We must determine the area of the patio. …
A manufacturer of a certain product can expect that between
May 9, 2016
GMAT OFFICIAL GUIDE PS We are given that a manufacturer produces 20,000 units and that between 0.3 and 0.5 percent of the units are defective. We also know that …
The graph above shows the height of the tide, in feet, above or…
May 9, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given a graph in which the y-axis displays the height of the tide. We must determine the difference between the heights of …
If 2x + y = 7 and x + 2y = 5, then…
May 9, 2016
GMAT OFFICIAL GUIDE PS Solution: Although our first instinct may be to use the substitution method to determine the values for x and y, it will actually be more …
If (1 – 1.25)N = 1, then…
May 9, 2016
GMAT OFFICIAL GUIDE PS Solution: We need to determine the value of N in the equation (1 – 1.25)N = 1. (1 – 1.25)N = 1 (-0.25)N = 1 …
The figure above shows a path around a triangular piece…
May 6, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given a diagram of a right triangle with two legs of 6 and 8. The total length of those two legs represents …
If k^2 = m^2, which of the following must be true
May 6, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given that k^2 = m^2, and we can start by simplifying the equation by taking the square root of both sides. √k^2 …
If the average (arithmetic mean) of four different numbers is 30
May 6, 2016
GMAT OFFICIAL GUIDE PS Solution: The average of 3, 15, 32, and (N + 1) is 18. We can put this information into the average equation. average = sum/quantity …