Question
In the given question, two conclusions are given and
five statements as 1), 2), 3), 4) and 5). You need to choose the option that contains the set of statements from which the given conclusions logically follow. Conclusions: I. Some Mondays are Tuesdays. II. Some Wednesdays are Tuesdays. 1: Some Fridays are Mondays. All Mondays are Wednesdays. No Thursday is Friday. No Tuesday is Thursday. 2: All Fridays are Mondays. All Mondays are Wednesdays. No Thursday is Friday. All Tuesdays are Monday. 3: Some Fridays are Monday. All Monday is Wednesdays. No Thursday is Friday. Some Tuesdays are Fridays. 4: All Fridays are Monday. All Monday is Wednesdays. No Thursday is Friday. Some Tuesdays are Fridays. 5: No Friday is a Monday. No Monday is a Wednesday. No Thursday is Friday. Some Tuesdays are Fridays.Solution
All Tuesdays are Mondays (A) → Conversion → Some Mondays are Tuesdays (I). All Tuesdays are Monday (A) + All Mondays are Wednesdays (A) → All Tuesdays are Wednesdays (A) → Conversion → Some Wednesdays are Tuesdays. Hence Statement 2 is right. Some Tuesdays are Fridays (I) + All Fridays are Monday (A) → Some Tuesdays are Mondays (I) → Conversion → Some Mondays are Tuesdays (I). Some Tuesdays are Fridays (I) + All Fridays are Monday (A) → Some Tuesdays are Mondays (I) + All Monday is Wednesdays (A) → Some Tuesdays are Wednesdays (I) → Conversion → Some Wednesdays are Tuesdays. Hence Statement 4 is right.
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