If a student passes the entry test, they can join the college. Sana joined the college. Which conclusion follows?
Correct answer: C. Sana may or may not have passed the entry test
- A. Sana passed the entry test
- B. Sana did not pass the entry test
- C. Sana may or may not have passed the entry test
- D. The entry test was easy
Explanation
The statement says passing is sufficient for joining, not that it is the only route, so Sana might have joined through a quota, transfer or other channel. Concluding that she passed would be affirming the consequent, an invalid form. Watch carefully for the difference between sufficient and necessary conditions.
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About Logical Deductions
Logical deductions require conclusions to be drawn from stated facts, conditions and relationships without adding outside information. The work includes handling all, some and none statements, necessary and sufficient conditions, ordering restrictions, true or false conclusions, and the difference between what must be true and what could be true.
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