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1 mark

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
Some crocodiles are tubes.
All tubes are socks.
No sock is a menu.

Conclusions:
(I) Some menus are not socks.
(II) No sock is a crocodile.
(III) Some adapters are houses.

  1. A
    Either conclusion I or conclusion III follows
  2. B
    Only conclusion III follows
  3. C
    Only conclusion I follows
  4. D
    All the conclusions I, II and III follow

Solution & Step-by-step Explanation

Let's evaluate each conclusion based on the statements given:
Statement 3 says: "No sock is a menu." This implies a universal negative relationship between socks and menus. Consequently, it naturally follows that "No menu is a sock", which perfectly yields "Some menus are not socks" as a true sub-relation. Thus, Conclusion I follows.

Statement 1 and 2 say: "Some crocodiles are tubes" and "All tubes are socks". This means there is definitely an overlapping region between crocodiles and socks. Therefore, Conclusion II ("No sock is a crocodile") is completely false.

Conclusion III mentions "adapters" and "houses", which are terms completely absent from the statements. Therefore, Conclusion III cannot follow.

Hence, only conclusion I follows.

Practice this question

Try it yourself before checking the explanation above.

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
Some crocodiles are tubes.
All tubes are socks.
No sock is a menu.

Conclusions:
(I) Some menus are not socks.
(II) No sock is a crocodile.
(III) Some adapters are houses.
A
Either conclusion I or conclusion III follows
B
Only conclusion III follows
C
Only conclusion I follows
D
All the conclusions I, II and III follow

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