Three statements are given followed by four conclusions I, II, III and IV. You have to consider these statements to be true, even if they seem at variance from commonly known facts. Decide which of the given conclusions logically follow/s from the given statement. Statements: I. All parrots are crows. II. All crows are robins. III. All robins are swan. Conclusions: I. All parrots are swans. II. All swans are crows III. All robins are parrots. IV. All crows are swans. ?

All the conclusion follow
Only conclusions II and III follow
Only conclusions I and IV follow
Only conclusions I and II follow

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 3 : Only conclusions I and IV follow

Drawing the Venn diagram,

[ alt="F1 S.Y 04.02.20 Savita D14" src="//storage.googleapis.com/tb-img/production/20/02/F1_S.Y_04.02.20_Savita_D14.png" style="width: 140px; height: 112px;">

Conclusion 1: All parrots are swans → True (This is definitely true)

Conclusion 2: All swans are crows → False (Possible but not definite)

Conclusion 3: All robins are parrots → False (Possible but not definite)

Conclusion 4: All crows are swans → True (This is definitely true)

Hence, “only conclusions 1 and 4” follow.

4 views Answered 2022-09-04 04:29

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