Question

A. College students are intelligent.
B. Intelligence is a collegian's attribute.
C. Ram's sister is a college student.
D. Ram is a college student.
E. All intelligent persons go to college.
F. Ram is an intelligent person.

• A. ADF
• B. BCD
• C. ABF
• D. CDF

Hint:

Ensure there's a full logical chain: subject → category → property. Without the middle link, deductions fall apart.

Answer 1

The Correct Option is A

Step 1: Examine ADF: - A: College students are intelligent. - D: Ram is a college student. - F: Ram is an intelligent person. This follows a clear logical path: From D and A, since Ram is a college student, and all college students are intelligent, we can deduce F. \[ \text{Ram is a college student (D)} \Rightarrow \text{College students are intelligent (A)} \Rightarrow \text{Ram is intelligent (F)} \] Step 2: Analyze other options: (b) BCD: - B: Intelligence is a collegian’s attribute (somewhat abstract wording). - C: Ram's sister is a college student. - D: Ram is a college student. These don’t relate strongly — there’s no deductive chain linking Ram’s sister and intelligence or defining Ram’s intelligence. (c) ABF: - A and B say college students are intelligent. - F says Ram is intelligent. But without D (that Ram is a college student), we can’t deduce F — this breaks the logic chain. (d) CDF: - C: Ram’s sister is a college student. - D: Ram is a college student. - F: Ram is intelligent. Again, without A (link between college and intelligence), we can't justify F. Conclusion: Only option ADF has statements that build a valid deductive link.