Logical Reasoning Practice Question and Answer
8 Q: Directions: A statement is given followed by two inferences I and II. You have to consider the statement to be true even if it seems to be at variance with commonly known facts. You have to decide which of the given inferences, if any, follow from the given statement.
Statement:
Extensive use of pesticides in agricultural production contaminates soil and water, remain in the crops and finally enter food chain, thereby posing threat to the human beings.
Inference:
I. Excessive use of pesticides in agricultural production is not good for people.
II. Excessive use of pesticides in agricultural production can have a bad effect on water.
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64afb094e154aff5335f33d3Extensive use of pesticides in agricultural production contaminates soil and water, remain in the crops and finally enter food chain, thereby posing threat to the human beings.
I. Excessive use of pesticides in agricultural production is not good for people.
II. Excessive use of pesticides in agricultural production can have a bad effect on water.
- 1If only II followsfalse
- 2If neither I nor II followsfalse
- 3If only I followsfalse
- 4If both I and II followtrue
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Answer : 4. "If both I and II follow"
Q:Direction: In these questions the symbols $ , @ , £ , • and # are used with different meanings as given below :
' X $ Y ' means X is neither greater than nor smaller than Y '
' X @ Y ' means X is neither greater than nor equal to Y '
' X £ Y ' means X is neither smaller than nor equal to Y '
' X• Y ' means X is not smaller than Y '
' X # Y ' means X is not greater than Y '
( A ) If only conclusion I is true
( B ) If only conclusion II is true
( C ) If either conclusion I or II is true
(D ) If neither conclusion I nor II is true
( E ) If both conclusion I and II are true
Statements : W• P , P£ G , G @ I , I # N
Conclusions :
I . I £ P
II . N # W
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5e992140a617427daa9b8512' X $ Y ' means X is neither greater than nor smaller than Y '
' X @ Y ' means X is neither greater than nor equal to Y '
' X £ Y ' means X is neither smaller than nor equal to Y '
' X• Y ' means X is not smaller than Y '
' X # Y ' means X is not greater than Y '
( A ) If only conclusion I is true
( B ) If only conclusion II is true
( C ) If either conclusion I or II is true
(D ) If neither conclusion I nor II is true
( E ) If both conclusion I and II are true
Conclusions :
I . I £ P
II . N # W
- 1Afalse
- 2Bfalse
- 3Cfalse
- 4Dtrue
- 5Efalse
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Answer : 4. "D"
Q:Direction : In each of the questions below are given some statements followed by two conclusions. You have to take the given statements to be true even if they seem to be at variance with 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.
(a) If only conclusion I follows.
(b) If only conclusion II follows.
(c) If either conclusion I or II follows.
(d) If neither conclusion I nor II follows.
(e) If both conclusions I and II follow.
Statements: Z<X<C≤V;
B>C<G<H≤J
Conclusion:
I: Z<G
II: X<J
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603de9c6cd43d04a8f5cf403(a) If only conclusion I follows.
(b) If only conclusion II follows.
(c) If either conclusion I or II follows.
(d) If neither conclusion I nor II follows.
(e) If both conclusions I and II follow.
B>C<G<H≤J
Conclusion:
I: Z<G
II: X<J
- 1(A)false
- 2(B)false
- 3(C)false
- 4(D)false
- 5(E)true
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Answer : 5. "(E)"
Q:Directions: Two statement are given followed by two conclusions I and II. You have to consider the two statements to be true even if they seem to be at variance from commonly known facts. You have to decide which one of the given conclusions are definitely drawn from the given statements:
Statements :
(A) All basketball players are tall men.
(B) All basketball players are athletes.
Conclusions :
I. All tall men are basketball players.
2. All athletes are basketball players.
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6391b1a651489f1da5fb4036- 11 alone can be drawnfalse
- 2Both can be drawnfalse
- 3Both cannot be drawntrue
- 4II alone can be drawnfalse
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Answer : 3. "Both cannot be drawn"
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:
Some dogs are animals.
Some animals are pet.
All pets are white.
Conclusions:
I. Some dogs are white.
II. Some animals are white.
III. Some animals are dogs.
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647864ee4e2d039e7bd2e856Some dogs are animals.
Some animals are pet.
All pets are white.
I. Some dogs are white.
II. Some animals are white.
III. Some animals are dogs.
- 1All conclusions follow.false
- 2Only conclusions I and II follow.false
- 3Only conclusions II and III follow.true
- 4Only conclusions I and III follow.false
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Answer : 3. "Only conclusions II and III follow."
Q:Directions: The question below has a statement followed by two conclusions numbered I and II. Based on this choose the option that is most suitable.
Give answer (a) if only Conclusion I is follows.
Give answer (b) if only Conclusion II is follows.
Give answer (c) if either Conclusion I or II is follows.
Give answer (d) if neither Conclusion I nor II is follows.
Give answer (e) if both Conclusion I and II are follows.
Statement: Indian won Cricket World Cup 2014
Conclusions
I. Indian cricket players are best in the world.
II. Indian team was able to score more than 300 runs in the World Cup finals. 804 0619e22fac1c85f0fbf49b689
619e22fac1c85f0fbf49b689Give answer (a) if only Conclusion I is follows.
Give answer (b) if only Conclusion II is follows.
Give answer (c) if either Conclusion I or II is follows.
Give answer (d) if neither Conclusion I nor II is follows.
Give answer (e) if both Conclusion I and II are follows.
- 1afalse
- 2bfalse
- 3cfalse
- 4dtrue
- 5efalse
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Answer : 4. "d"
Q:In the following question below are given some statements followed by some conclusions based on those statements. Taking 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 conclusion logically follows the given statements.
Statements:
I. Some Z are X.
II. Some W are Z.
Conclusions:
I. Some X are not W.
II. Some X are not Z.
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6486fc7af4063d472f415cc4I. Some Z are X.
II. Some W are Z.
I. Some X are not W.
II. Some X are not Z.
- 1Only conclusion I followsfalse
- 2Only conclusion II followsfalse
- 3Both conclusions I and II followsfalse
- 4Neither conclusion followstrue
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Answer : 4. "Neither conclusion follows"
Q:Direction : In the following question, one statement is given, followed by two conclusion I and II. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow from the given statement.
Statement : All philosophers are men. Socrates was a philosopher.
Conclusion :
I. Socrates was a man.
II. Women cannot become philosophers.
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63aab852e541fa7a0122b965- 1Only I is validfalse
- 2Only II is validfalse
- 3Both are not validfalse
- 4Both are validtrue
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