Logical Reasoning Practice Question and Answer

Q:

Three Statements are given followed by Three conclusions numbered I, II and III. 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:
 All ants are beetles.
 No beetle is a frog.
 Some frogs are bugs.

Conclusions:
 I. Some bugs are ants.
 II. No bug is a beetle.
 III. No frog is an ant.

365 0

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

Q:

In the question below, two statements are given, followed by two conclusions. Assuming the statements to be true, choose the appropriate option regarding the conclusions.

Statements:
 I. Amit is a good fielder
 II. All fielders have big hands.

Conclusions:
 1. All people with big hands are fielders.
 2. Amit has big hands.

584 0

  • 1
    Both the conclusions follow.
    Correct
    Wrong
  • 2
    Only conclusion 1 follows.
    Correct
    Wrong
  • 3
    Neither conclusion follows.
    Correct
    Wrong
  • 4
    Only conclusion 2 follows.
    Correct
    Wrong
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Answer : 4. "Only conclusion 2 follows."

Q:

In the question below, three statements are given, followed by four conclusions. Assuming the statements to be true, choose the appropriate option regarding the conclusions.

Statements:
 
I. All doctors are lawyers.
 
II. Some lawyers are engineers.
 
III. All engineers are brokers.

Conclusions:
 
1. Some engineers are doctors.
 
2. Some brokers are lawyers.
 
3. Some brokers are doctors.
 
4. Some lawyers are doctors.

439 1

  • 1
    None of the conclusions follow.
    Correct
    Wrong
  • 2
    Only conclusions 2 and 4 follow.
    Correct
    Wrong
  • 3
    All the conclusions follow.
    Correct
    Wrong
  • 4
    Only conclusions 1 and 3 follow.
    Correct
    Wrong
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Answer : 2. "Only conclusions 2 and 4 follow."

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Answer : 1. "Only conclusions I and III follow"

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Answer : 4. "Only conclusion I follows."

Q:

Two statements are given, followed by two conclusions numbered I and II. 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:
 Some chairs are windows.
 All windows are boards.

Conclusions:
 I. All chairs are boards.
 II. All boards are windows.

464 1

  • 1
    Neither conclusion I nor II follows.
    Correct
    Wrong
  • 2
    Both conclusions I and II follow.
    Correct
    Wrong
  • 3
    Only conclusion I follows.
    Correct
    Wrong
  • 4
    Only conclusion II follows.
    Correct
    Wrong
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Answer : 1. "Neither conclusion I nor II follows."

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.

593 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."

Q:

Two statements are given followed by two conclusions numbered I and II. 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: 
 Some potatoes are onions.
 Some onions are tomatoes. 

Conclusions: 
 I. Some tomatoes are potatoes.
 II. No tomato is a potato. 

636 0

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

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