PrepTest 39, Section 1, Question 4
Eight files will be ordered from first to eighth. Each file falls into exactly one of three categories: red files (H, M, O), green files (P, V, X), or yellow files (T, Z). The files must be ordered according to the following conditions:
Eight files will be ordered from first to eighth. Each file falls into exactly one of three categories: red files (H, M, O), green files (P, V, X), or yellow files (T, Z). The files must be ordered according to the following conditions:
Eight files will be ordered from first to eighth. Each file falls into exactly one of three categories: red files (H, M, O), green files (P, V, X), or yellow files (T, Z). The files must be ordered according to the following conditions:
Eight files will be ordered from first to eighth. Each file falls into exactly one of three categories: red files (H, M, O), green files (P, V, X), or yellow files (T, Z). The files must be ordered according to the following conditions:
H must be placed into some position before O, but H cannot immediately precede O.
X must be placed into some position before V.
X and V must be separated by the same number of files as separate H and O.
Z must immediately precede M.
The first file cannot be a red file.
The largest possible number of files that can separate X from V is
three
four
five
six
seven
Explanations
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