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A citrus fruit grower receives $15 for each crate…

Scott Woodbury-Stewart October 29, 2015
GMAT OFFICIAL GUIDE DS We are given that a citrus grower receives $15 for each crate of oranges shipped and $18 for each crate of grapefruit shipped. We can …
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For which type of investment, J or K, is the annual rate of…

Jeff Miller October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: We need to determine which investment, J or K, provides a greater annual rate of return. That is, we are being asked whether J’s …
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Data Sufficiency question about determining if n + 1 is odd

Jeff Miller October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether n + 1 is odd. Remember, if n is even, then n + 1 will be odd, and if …
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A certain expressway has Exits J, K, L and M…

Jeff Miller October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: Let’s first put the given information into a diagram. We can also define variables for the distances between J and K, K and L, …
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In College X the number of students enrolled in both a…

Scott Woodbury-Stewart October 29, 2015
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: biology …
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If the two floors in a certain building are 9 feet apart, how many…

Jeff Miller October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: Let’s sketch a diagram of the stairs. Keep in mind that we don’t know the number of stairs between the floors, but the problem …
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In a certain class, one student is to be selected…

Scott Woodbury-Stewart October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: We need to determine the probability that a boy will be selected to read, in a class of boys and girls. Statement One Alone: …
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What percent of a group of people are women with red hair…

Jeff Miller October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: An easy way to solve the problem is to set up a double set matrix. In our matrix we’ll have two main categories: gender …
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