Logical Reasoning Practice Question and Answer

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Answer : 4. "Only conclusion I follows"

Q:

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:

I. No A is B.

II. All C are D.

III. Some C are B.

Conclusions:

I. Some D are B.

II. Some B are C.

III. All C are B.
869 0

  • 1
    Both conclusions I and II follow.
    Correct
    Wrong
  • 2
    Both conclusions I and III follow.
    Correct
    Wrong
  • 3
    Only conclusion III follows.
    Correct
    Wrong
  • 4
    Only conclusion II follows.
    Correct
    Wrong
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Answer : 1. "Both conclusions I and II follow."

Q:

Two statements are given, followed by four conclusions numbered I, II, III and IV. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:
 No fish is a pen.
 All keys are pens.

Conclusions:
 I. No key is a pen.
 II. No pen is a key.
 III. Some pens are keys.
 IV. Some keys are fishes.

867 0

  • 1
    Both conclusions I and IV follow.
    Correct
    Wrong
  • 2
    Only conclusion III follows.
    Correct
    Wrong
  • 3
    Both conclusions I and II follow.
    Correct
    Wrong
  • 4
    Only conclusion I follows
    Correct
    Wrong
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Answer : 2. "Only conclusion III follows."

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Answer : 1. "if only conclusion I follows."

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Answer : 2. "Statement I is incorrect but Statement II is correct"

Q:

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

Statements:

Some beds are sofas.

Some sofas are chairs.

All chairs are books.

Conclusions:

I. Some beds are chairs.

II. Some sofas are books.

856 0

  • 1
    Only conclusion I follow
    Correct
    Wrong
  • 2
    Only conclusion II follows
    Correct
    Wrong
  • 3
    Conclusion I and II both follow
    Correct
    Wrong
  • 4
    Neither conclusion I nor conclusion II follows
    Correct
    Wrong
  • 5
    Either conclusion I or conclusion II follows
    Correct
    Wrong
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Answer : 2. "Only conclusion II follows"

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Answer : 1. "Neither conclusion follows"

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Answer : 3. "Only Conclusions I and II follow"

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