Logical Reasoning Practice Question and Answer

Q:

Statement: 

All insects are dangerous. 

All machines are dangerous. 

Conclusion 

I. All dangerous are insects. 

II. All dangerous are machines. 

III. Some machines are insects. 

2087 0

  • 1
    Only conclusion (III) follows .
    Correct
    Wrong
  • 2
    No conclusion follows .
    Correct
    Wrong
  • 3
    Only Conclusion (I) follows .
    Correct
    Wrong
  • 4
    Only conclusion (II) follows .
    Correct
    Wrong
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Answer : 2. "No conclusion follows . "

Q:

Direction: In the given question, assuming the given statements to be true, find which of the conclusions I and II given below the statements is/are definitely true.

Statements:

H > G < C, E ≥ K < D ≤ B, E = C

Conclusions:

I.G ≤ D

II. G>D

2044 0

  • 1
    If only conclusion I follows
    Correct
    Wrong
  • 2
    If only conclusion II follows
    Correct
    Wrong
  • 3
    If either conclusion I or conclusion II follows
    Correct
    Wrong
  • 4
    If neither conclusion I nor conclusion II follows
    Correct
    Wrong
  • 5
    If both conclusions follow
    Correct
    Wrong
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Answer : 3. "If either conclusion I or conclusion II follows"

Q:

Two statements are given followed by three conclusion numbered I, II and III. Assuming the statements to be true, even they seem to be at variance with commonly known facts decided which of the conclusions logically follow from statement.

Statements:
Some cats are dogs.
All dogs are Deer.
Conclusions:
(i) Some Deer are Cats.
(ii) All Deer are Cats.
(iii)No Deer is dog.

2029 0

  • 1
    only conclusion I follow.
    Correct
    Wrong
  • 2
    only conclusion III follow.
    Correct
    Wrong
  • 3
    only conclusion I and III follow.
    Correct
    Wrong
  • 4
    only conclusion I and II follow.
    Correct
    Wrong
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Answer : 1. "only conclusion I follow."

Q:

Consider the given statements and decide which of the following concepts are implicit in the following statement.
Statement:
The headmistress has called a meeting of all parents and teaching staff to discuss the fee structure.
Accreditation:
I. There are plans to rebuild the fee structure.
II. The meeting was called to reach a general consensus.

2007 0

  • 1
    Only II is implicit.
    Correct
    Wrong
  • 2
    Only I is implicit.
    Correct
    Wrong
  • 3
    Both I and II are implicit.
    Correct
    Wrong
  • 4
    Neither I nor II are implicit.
    Correct
    Wrong
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Answer : 3. "Both I and II are implicit."

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Answer : 4. "Both conclusion II and III follow. "

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