Logical Reasoning Practice Question and Answer

Q:

In the question below, two statements are given followed by two conclusions numbered I and II. You have to take the two statements to be true even if they seem to be variance from the commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding the commonly known facts.
Statements: Some rings are circles.
                    No circle is a square.
Conclusion I. No ring is a square.
                   II. All rings are squares.

2107 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 I and II follow
    Correct
    Wrong
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Answer : 1. "If only conclusion I follows"

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Answer : 3. "Both conclusions I and II follow "

Q:

In the following question two statements are given. Identify which of the statements is/are necessary /sufficient to answer the question.
Question:
Among the bags A, B, C and D which one is the lightest bag?
Statements:
1. B is heavier than A.
2. A is lighter than C and D.

2085 0

  • 1
    Statement 2 alone is sufficient
    Correct
    Wrong
  • 2
    Statement 1 and 2 together are necessary
    Correct
    Wrong
  • 3
    Statement 1 alone is sufficient
    Correct
    Wrong
  • 4
    Statement 1 and 2 are not sufficient to solve
    Correct
    Wrong
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Answer : 2. "Statement 1 and 2 together are necessary"

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Answer : 2. "Either I or III follows"

Q:

Read the given statements and conclusions carefully and decide which of the conclusions logically follow(s) from the statements.

Statements:
All scientists working in Japan are talented.
Some Chinese scientists are working in Japan.
Conclusions:
I. No Chinese scientist is talented.
II. Some talented Chinese scientists are working in Japan.
III. All talented scientists are Japanese.
IV. Some Chinese scientists are talented.

2037 1

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

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