Logical Reasoning - Logical Deduction - Discussion

Discussion Forum : Logical Deduction - Section 1 (Q.No. 20)
Directions to Solve

In each question below are given two statements followed by two conclusions numbered I and II. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusion and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.

Give answer:

  • (A) If only conclusion I follows
  • (B) If only conclusion II follows
  • (C) If either I or II follows
  • (D) If neither I nor II follows and
  • (E) If both I and II follow.


20.

Statements: All jungles are tigers. Some tigers are horses.

Conclusions:

  1. Some horses are jungles.
  2. No horse is jungle.
Only conclusion I follows
Only conclusion II follows
Either I or II follows
Neither I nor II follows
Both I and II follow
Answer: Option
Explanation:
Since the middle term 'tigers' is not distributed even once in the premises, no definite conclusion follows. However, I and II involve only the extreme terms and form a complementary pair. So, either I or II follows.
Discussion:
25 comments Page 1 of 3.

Chinni said:   1 decade ago
i couldn't understand what d extreme term refers to...

Praveen said:   1 decade ago
I can't understood that please clarify me.

Aman said:   1 decade ago
Extreme here means not the middle (common) term.

Sathish said:   1 decade ago
Answer must be A because when some jungles are horses, how it could be that no horse is jungle.

Fatal said:   1 decade ago
The answer must be A. When All Jungles are tigers and some tigers are Horses. That means some jungles are horses too, how can you say that no horse is jungle ?

Hemnath said:   1 decade ago
Answer C is correct. Let me explain this. Some horses are jungles. No horse is jungle. We should n't know which one will be the option so answer is Either I or II follows.

Hasini said:   10 years ago
Middle term tiger is not distribute atleast once. Suppose you convert the first statement as a particular type even both statement particular. So no conclusion and D.

Nishant said:   10 years ago
@Hasini is right. Answer is D. Since middle term tiger is not distribute at-least once.

Munirat said:   9 years ago
I would rather agree with Fatal and Sathish, the correct answer should be A.

Bharathi R said:   9 years ago
Since commom is not distributed in both statements and hence no conclusion occurs. So correct answer should be option D.


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