Verbal Reasoning - Syllogism - Discussion

Discussion Forum : Syllogism - Syllogism 1 (Q.No. 11)
Directions to Solve

In each of the following questions two statements are given and these statements are followed by two conclusions numbered (1) and (2). 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 conclusions and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.

Give answer:

  • (A) If only (1) conclusion follows
  • (B) If only (2) conclusion follows
  • (C) If either (1) or (2) follows
  • (D) If neither (1) nor (2) follows and
  • (E) If both (1) and (2) follow.

11.

Statements: Some dogs are bats. Some bats are cats.

Conclusions:

  1. Some dogs are cats.
  2. Some cats are dogs.

Only (1) conclusion follows
Only (2) conclusion follows
Either (1) or (2) follows
Neither (1) nor (2) follows
Both (1) and (2) follow
Answer: Option
Explanation:
Discussion:
59 comments Page 1 of 6.

Vishwas R said:   1 year ago
I think E should have been the correct answer by considering diagram 2.
(25)

Deb Nc said:   4 years ago
According to me, E is the correct answer.
(13)

Vishal said:   1 year ago
E is the correct answer.
(9)

Aditya Raj said:   2 years ago
E is the right answer.
(8)

Ayel said:   4 years ago
E is the correct answer.
(7)

Sanjay said:   2 years ago
Here, it's not mentioned any relationship between a dog and a cat. So, option "D" is right.
(4)

Sundar said:   1 decade ago
Hi All,

The given answer is perfectly correct. Let me explain.

When we say the conclusion follows the given statements?

Ans:

Step 1: Draw the all possibility of Venn diagrams.
Step 2: Check the given conclusions against each diagram.
Step 3: If the conclusion follows (or satisfy) ALL the diagrams, then we can say 'it follows' the given statements.


Now, take a look at the given problem:

1. Some dogs are cats. (Not Follows)

Reason: It doesn't follow the given statements in case of first (left-side) diagram. Because some Dogs may not be Cats as per the first diagram.

2. Some cats are dogs. (Not Follows)

Reason: It doesn't follow the given statements in case of first (left-side) diagram. Because some Cats may not be Dogs as per the first diagram.

Result: Thus the given conclusions doesn't follow in the case if first diagram (even though it follows as per second diagram), we conclude that 'BOTH CONCLUSION NOT FOLLOWS THE GIVEN STATEMENTS' or 'Neither (1) nor (2) follows'.

Hope you understand guys. Have a nice day!
(3)

Ayel said:   4 years ago
@All.

The explanation is also wrong.

Here, Diagram A implies that the only bats that are cats are those that are not dogs. Which is not specified in the problem. It said: Some dogs are bats. Some bats (which may be dogs according to Statement A) are cats.

The problem never said that the only time a bat is also a cat is if it is not a dog.
(3)

Deva said:   4 years ago
E is the right answer.
(3)

Bipul Raj Dahal said:   2 months ago
Either the second Venn diagram is wrong, or the answer is wrong. If you consider the first venn diagram, then the answer should be C.

Now if you consider the 2nd Venn diagram, then the answer is E.
(2)


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