school has seven classrooms: 1, 2, 3, 4, 5, 6, and 7. The principal must choose five students, each from a different classroom, to perform in a special play. Any combination of five students will be appropriate, except if a student from classroom 1 is selected, then no one from class 5 may be chosen. Also, if a student from class 3 is selected, then someone from classroom 5 must also be selected. If someone from classroom 2 is in the play, then a student from classroom 6 must also be selected. Which combination of students meets all of the criteria?
1,4,5,6,7
1,2,3,4,5
2,3,4,5,6
2,3,4,5,7
The Correct Answer is C
A. 1, 4, 5, 6, 7: Classroom 1 is selected, which means no one from class 5 can be selected, but class 5 is selected in this option. This violates the first condition.
B. 1, 2, 3, 4, 5: Classroom 1 is selected, so no one from class 5 should be chosen, but class 5 is selected. This violates the first condition.
C. 2, 3, 4, 5, 6: Classroom 2 is selected, so classroom 6 must also be selected, and it is selected here, so the third condition is satisfied. Classroom 3 is selected, which means classroom 5 must also be selected, and it is selected, so the second condition is satisfied. There is no violation of any condition here, so
D. 2, 3, 4, 5, 7: Classroom 2 is selected, so classroom 6 must also be selected, but classroom 6 is not selected, which violates the third condition. Therefore, Option D is not valid.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Wait and see if the terms make sense in the next couple of classes: This approach is not ideal because it assumes that the terms will become clear without actively engaging with the material. Understanding these terms may be difficult if the student doesn't make an effort to familiarize themselves with the concepts upfront.
B. Ask a friend for help in understanding the terms: While asking a friend can be helpful, it’s not the most effective way to build a strong foundation. Relying solely on someone else for understanding may limit the student's own learning and comprehension of the material.
C. Read the assigned material in an attempt to gain an understanding of each new term: This is the best approach. Actively reading and engaging with the material will allow the student to understand the terms in context, which is crucial for building a strong knowledge base in a complex subject like nuclear physics.
D. Define the terms prior to reading the assignment: While defining the terms beforehand might be useful in some cases, it’s more effective to read the material first. Terms often have specific meanings in context, and understanding them in the context of the material will provide a deeper understanding.
Correct Answer is B
Explanation
A. The conclusion is not a statement of fact, but rather a generalization based on a study of a specific group of people. The fact that 70% of heroin users had used marijuana before does not automatically lead to the conclusion that all marijuana users will try heroin.
B. The conclusion makes an unwarranted leap by suggesting that because 70% of heroin users had used marijuana, all marijuana users will eventually try heroin. The sample studied doesn't represent all marijuana users, and making this broad statement about all marijuana users is an overgeneralization.
C. While the conclusion may be an assumption, it's more specific in that it makes a sweeping, unjustified generalization. The issue is not clarity, but the improper inference drawn from the data.
D. The conclusion actually needs much more support and is not logically valid as it stands. It makes a broad statement that is not directly supported by the data.
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