Statements: 1. No student is a teacher. 2. All teachers are principals. Conclusions: I. No student is a principal. II. Some principals are teachers. Which conclusion(s) logically follow? MCQ with Answer and Explanation
Statements:
1. No student is a teacher.
2. All teachers are principals.
Conclusions:
I. No student is a principal.
II. Some principals are teachers.
Which conclusion(s) logically follow?
A. Only conclusion II follows
B. Neither I nor II follows
C. Both I and II follow
D. Only conclusion I follows
Answer: Option A
Solution (By JKSSB Mock Tests)
While no student is a teacher, the principal category could still encompass students outside of the teacher category. Therefore, I does not strictly follow. Since all teachers are principals, it is a fact that some principals are teachers (Conclusion II).
Statements:
1. Some shirts are pants.
2. Some pants are ties.
Conclusions:
I. Some shirts are ties.
II. Some ties are shirts.
Which conclusion(s) logically follow?
Explanation:
The relationship 'some' does not chain logically. The shirts that are pants are not necessarily the pants that are ties. No relation can be established between shirts and ties. Therefore, neither conclusion follows.
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