Logical Reasoning - Logical Deduction - Discussion

Discussion Forum : Logical Deduction - Section 1 (Q.No. 2)
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.


2.

Statements: All bags are cakes. All lamps are cakes.

Conclusions:

  1. Some lamps are bags.
  2. No lamp is bag.
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 'cakes' 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:
57 comments Page 3 of 6.

Shuvam said:   1 decade ago
The answer should be D as some lamps are bags and all lamps can also be bags. So here lies the confusion. So the conclusion can be challenged and thus it is D none follows.

Ajit Vishwakarma said:   6 years ago
The case in which all lamps are bags ensures the answer is D. Since all lamps are bags implies that conclusion 1 is not followed for this case.

Anantha said:   9 years ago
If we use Venn diagram method inside cakes there are lamps and inside lamps there are bags.

So, according to it only statement 1 follows.

Aishwarya said:   1 decade ago
It is possible that lamps and bags from different groups within the group of cakes or it is possible that some bags and lamps are common?

Sanchita said:   1 decade ago
What exactly do we have to follow? the venn diagram approach or subject predicate distributed undistributed conclusions ?

Ishu said:   1 decade ago
I think as the middle term is not used in any of the premises conclusion cannot be made. Anyone please clarify my doubt?

Dancy boy govind said:   9 years ago
Cake is a pool.

But all bags are part of the pool.
All lamps are also part of the pool.

So the answer is EITHER.

Srinath said:   1 decade ago
Guys do these all kinds of logical deductions by drawing vernier diagrams, then you will not get confusion.

Promel said:   1 decade ago
When no conclusion can be drawn then why can't be the answer be option (D) If neither I nor II follows ?

Khyati mehta said:   4 years ago
I think the answer should be D as we can't conclude whether no bags are lamp or some bags are lamp.
(2)


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