Logical Reasoning Practice Question and Answer
8 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.
488 0646354fb4d91510a5db8ab71
646354fb4d91510a5db8ab71All ants are beetles.
No beetle is a frog.
Some frogs are bugs.
I. Some bugs are ants.
II. No bug is a beetle.
III. No frog is an ant.
- 1Both conclusions I and II follow.false
- 2Only conclusion III follows.true
- 3Only conclusion I follows.false
- 4Both conclusions I and III follow.false
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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.
1079 0645b69c1f75f230a7a63061a
645b69c1f75f230a7a63061aI. Amit is a good fielder
II. All fielders have big hands.
1. All people with big hands are fielders.
2. Amit has big hands.
- 1Both the conclusions follow.false
- 2Only conclusion 1 follows.false
- 3Neither conclusion follows.false
- 4Only conclusion 2 follows.true
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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.
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6458f0dbf3618908bf6cc29cI. All doctors are lawyers.
II. Some lawyers are engineers.
III. All engineers are brokers.
1. Some engineers are doctors.
2. Some brokers are lawyers.
3. Some brokers are doctors.
4. Some lawyers are doctors.
- 1None of the conclusions follow.false
- 2Only conclusions 2 and 4 follow.true
- 3All the conclusions follow.false
- 4Only conclusions 1 and 3 follow.false
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Answer : 2. "Only conclusions 2 and 4 follow."
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 pencils are erasers.
All sharpeners are erasers.
All compasses are sharpeners.
Conclusions:
I. All compasses are erasers.
II. Some compasses are pencils.
III. Some erasers are compass.
800 16458ec4556b58a4236a99edd
6458ec4556b58a4236a99eddAll pencils are erasers.
All sharpeners are erasers.
All compasses are sharpeners.
I. All compasses are erasers.
II. Some compasses are pencils.
III. Some erasers are compass.
- 1Only conclusions I and III followtrue
- 2Only conclusion I followsfalse
- 3Only conclusion II followsfalse
- 4Only conclusions I and II followfalse
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Answer : 1. "Only conclusions I and III follow"
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 books are copies.
No copy is a pen.
Some erasers are books.
Conclusions:
I. Some copies are erasers.
II. Some pens are books.
III. No eraser is a pen.
567 1644fb1e668c22b088396a259
644fb1e668c22b088396a259All books are copies.
No copy is a pen.
Some erasers are books.
I. Some copies are erasers.
II. Some pens are books.
III. No eraser is a pen.
- 1Only conclusion II follows.false
- 2Both conclusions I and II follow.false
- 3Both conclusions I and III follow.false
- 4Only conclusion I follows.true
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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.
877 1644bc4086842c5ce47ce68eb
644bc4086842c5ce47ce68ebSome chairs are windows.
All windows are boards.
I. All chairs are boards.
II. All boards are windows.
- 1Neither conclusion I nor II follows.true
- 2Both conclusions I and II follow.false
- 3Only conclusion I follows.false
- 4Only conclusion II follows.false
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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.
745 064494b70389f656821741df6
64494b70389f656821741df6No fish is a pen.
All keys are pens.
I. No key is a pen.
II. No pen is a key.
III. Some pens are keys.
IV. Some keys are fishes.
- 1Both conclusions I and IV follow.false
- 2Only conclusion III follows.true
- 3Both conclusions I and II follow.false
- 4Only conclusion I followsfalse
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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.
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644924af9b03af93b70d4b85Some potatoes are onions.
Some onions are tomatoes.
I. Some tomatoes are potatoes.
II. No tomato is a potato.
- 1Only conclusion II followsfalse
- 2Only conclusion I followsfalse
- 3Either conclusion I or II followstrue
- 4Both conclusions I and II followfalse
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