PrepTest 20, Section 1, Question 20

Difficulty: 
Passage
Game
4

At an evening concert, a total of six songs—O, P, T, X, Y, and Z—will be performed by three vocalists—George, Helen, and Leslie. The songs will be sung consecutively as solos, and each will be performed exactly once. The following constraints govern the composition of the concert program:

At an evening concert, a total of six songs—O, P, T, X, Y, and Z—will be performed by three vocalists—George, Helen, and Leslie. The songs will be sung consecutively as solos, and each will be performed exactly once. The following constraints govern the composition of the concert program:

At an evening concert, a total of six songs—O, P, T, X, Y, and Z—will be performed by three vocalists—George, Helen, and Leslie. The songs will be sung consecutively as solos, and each will be performed exactly once. The following constraints govern the composition of the concert program:

At an evening concert, a total of six songs—O, P, T, X, Y, and Z—will be performed by three vocalists—George, Helen, and Leslie. The songs will be sung consecutively as solos, and each will be performed exactly once. The following constraints govern the composition of the concert program:

Y must be performed earlier than T and earlier than O.

P must be performed earlier than Z and later than O.

George can perform only X, Y, and Z.

Helen can perform only T, P, and X.

Leslie can perform only O, P, and X.

The vocalist who performs first must be different from the vocalist who performs last.

Question
20

Which one of the following must be true about the program?

George performs X.

Helen performs O.

Helen performs T.

Leslie performs P.

Leslie performs X.

C
Raise Hand   ✋

Explanations

6 Flexible Worlds
A
B
C
D
E

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