Online Logical Reasoning Test - Logical Reasoning Test - Random



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Instruction:

  • Total number of questions : 20.
  • Time alloted : 30 minutes.
  • Each question carry 1 mark, no negative marks.
  • DO NOT refresh the page.
  • All the best :-).

Direction (for Q.No. 1):

In each question below is given a statement followed by two assumptions numbered I and II. You have to consider the statement and the following assumptions and decide which of the assumptions is implicit in the statement.

Give answer

  • (A) If only assumption I is implicit
  • (B) If only assumption II is implicit
  • (C) If either I or II is implicit
  • (D) If neither I nor II is implicit
  • (E) If both I and II are implicit.

1.

Statement: "A visit of school children to forest to widen their knowledge of natural resources has been arranged." - A notice in the school.

Assumptions:

  1. Forests are full of natural resources.
  2. Children are likely to learn from their interaction with the new environment.

A.
Only assumption I is implicit
B.
Only assumption II is implicit
C.
Either I or II is implicit
D.
Neither I nor II is implicit
E.
Both I and II are implicit

Your Answer: Option (Not Answered)

Correct Answer: Option E

Explanation:

The forests shall be visited to increase the knowledge of natural resources. This means that forests abound in natural resources. So, I is implicit. The children are being taken to forests to help them learn more practically. So, II is also implicit.

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Direction (for Q.No. 2):
Each problem consists of three statements. Based on the first two statements, the third statement may be true, false, or uncertain.
2.

All Lamels are Signots with buttons.
No yellow Signots have buttons.
No Lamels are yellow.
If the first two statements are true, the third statement is

A.
true
B.
false
C.
uncertain

Your Answer: Option (Not Answered)

Correct Answer: Option A

Explanation:

We know that there are Signots with buttons, or Lamels, and that there are yellow Signots, which have no buttons. Therefore, Lamels do not have buttons and cannot be yellow.

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Direction (for Q.No. 3):
Choose the statement that is best supported by the information given in the question passage.
3.

Close-up images of Mars by the Mariner 9 probe indicated networks of valleys that looked like the stream beds on Earth. These images also implied that Mars once had an atmosphere that was thick enough to trap the sun's heat. If this were true, something happened to Mars billions of years ago that stripped away the planet's atmosphere.
This paragraph best supports the statement that

A.
Mars now has little or no atmosphere.
B.
Mars once had a thicker atmosphere than Earth does.
C.
the Mariner 9 probe took the first pictures of Mars.
D.
Mars is closer to the sun than Earth is.
E.
Mars is more mountainous than Earth is.

Your Answer: Option (Not Answered)

Correct Answer: Option A

Explanation:

The paragraph states that Mars once had a thick atmosphere, but that it was stripped away. The other choices, true or not, cannot be found in the passage.

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Direction (for Q.Nos. 4 - 5):

In each question below is given a statement followed by two conclusions numbered I and II. You have to assume everything in the statement to be true, then consider the two conclusions together and decide which of them logically follows beyond a reasonable doubt from the information given in the statement.

Give answer:

  • (A) If only conclusion I follows
  • (B) If only conclusion II follows
  • (C) If either I or II follows
  • (D) If neither I nor II follows and
  • (E) If both I and II follow.

4.

Statements: The average number of persons per household is 5 in urban areas whereas it is 7 in rural areas. The national average is 6.

Conclusions:

  1. The population per unit area in the rural areas is higher than in the urban areas.
  2. More persons live in the same household in the rural areas as compared to those in the urban areas.

A.
Only conclusion I follows
B.
Only conclusion II follows
C.
Either I or II follows
D.
Neither I nor II follows
E.
Both I and II follow

Your Answer: Option (Not Answered)

Correct Answer: Option B

Explanation:

The population per household and not the population per unit area is being talked about in the statement. So, only II follows while I does not.

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5.

Statements: It is almost impossible to survive and prosper in this world without sacrificing ethics and morality.

Conclusions:

  1. World appreciates some concepts but may not uphold it.
  2. Concept of ethics and morality are not practicable in life.

A.
Only conclusion I follows
B.
Only conclusion II follows
C.
Either I or II follows
D.
Neither I nor II follows
E.
Both I and II follow

Your Answer: Option (Not Answered)

Correct Answer: Option B

Explanation:

Clearly, I is vague and so does not follow. However, II directly follows from the given statement.

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Direction (for Q.No. 6):
Each question has an underlined word followed by four answer choices. You will choose the word that is a necessary part of the underlined word.
6.

lightning

A.
electricity
B.
thunder
C.
brightness
D.
rain

Your Answer: Option (Not Answered)

Correct Answer: Option A

Explanation:

Lightning is produced from a discharge of electricity, so electricity is essential. Thunder and rain are not essential to the production of lightning (choices b and d). Brightness may be a byproduct of lightning, but it is not essential (choice c).

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Direction (for Q.No. 7):

In each question below is given a statement followed by two conclusions numbered I and II. You have to assume everything in the statement to be true, then consider the two conclusions together and decide which of them logically follows beyond a reasonable doubt from the information given in the statement.

Give answer:

  • (A) If only conclusion I follows
  • (B) If only conclusion II follows
  • (C) If either I or II follows
  • (D) If neither I nor II follows and
  • (E) If both I and II follow.

7.

Statements: To cultivate interest in reading, the school has made it compulsory from June this year for each student to read two books per week and submit a weekly report on the books.

Conclusions:

  1. Interest in reading can be created by force.
  2. Some students will eventually develop interest in reading.

A.
Only conclusion I follows
B.
Only conclusion II follows
C.
Either I or II follows
D.
Neither I nor II follows
E.
Both I and II follow

Your Answer: Option (Not Answered)

Correct Answer: Option B

Explanation:

Clearly, the new scheme intends to develop interest in reading by incorporating the habit in their routine. So, only II follows while I does not.

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Direction (for Q.Nos. 8 - 9):
Read the paragraph carefully and determine the main point the author is trying to make. What conclusion can be drawn from the argument? Each paragraph is followed by five statements.One statement supports the author's argument better than the others do.
8.

It is well known that the world urgently needs adequate distribution of food, so that everyone gets enough. Adequate distribution of medicine is just as urgent. Medical expertise and medical supplies need to be redistributed throughout the world so that people in emerging nations will have proper medical care.
This paragraph best supports the statement that

A.
the majority of the people in the world have never been seen by a doctor.
B.
food production in emerging nations has slowed during the past several years.
C.
most of the world's doctors are selfish about giving time and money to the poor.
D.
the medical-supply industry should step up production of its products.
E.
many people who live in emerging nations are not receiving proper medical care

Your Answer: Option (Not Answered)

Correct Answer: Option E

Explanation:

This answer is implied by the statement that redistribution is needed so that people in emerging nations can have proper medical care. Choices a, b, and c are not mentioned in the passage. Choice d is also incorrect—the passage indicates that the distribution of medicine, not its production, is inadequate.

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9.

One New York publisher has estimated that 50,000 to 60,000 people in the United States want an anthology that includes the complete works of William Shakespeare. And what accounts for this renewed interest in Shakespeare? As scholars point out, his psychological insights into both male and female characters are amazing even today.
This paragraph best supports the statement that

A.
Shakespeare's characters are more interesting than fictional characters today.
B.
people even today are interested in Shakespeare's work because of the characters.
C.
academic scholars are putting together an anthology of Shakespeare's work.
D.
New Yorkers have a renewed interested in the work of Shakespeare.
E.
Shakespeare was a psychiatrist as well as a playwright.

Your Answer: Option (Not Answered)

Correct Answer: Option B

Explanation:

The last sentence in the paragraph clearly gives support for the idea that the interest in Shakespeare is due to the development of his characters. Choice a is incorrect because the writer never makes this type of comparison. Choice c is wrong because even though scholars are mentioned in the paragraph, there is no indication that the scholars are compiling the anthology. Choice d is wrong because there is no support to show that most New Yorkers are interested in this work. There is no support for choice e either.

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Direction (for Q.Nos. 10 - 12):

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

Give answer:

  • (A) If only conclusion I follows
  • (B) If only conclusion II follows
  • (C) If either I or II follows
  • (D) If neither I nor II follows and
  • (E) If both I and II follow.

10.

Statements: All flowers are trees. No fruit is tree.

Conclusions:

  1. No fruit is flower.
  2. Some trees are flowers.

A.
Only conclusion I follows
B.
Only conclusion II follows
C.
Either I or II follows
D.
Neither I nor II follows
E.
Both I and II follow

Your Answer: Option (Not Answered)

Correct Answer: Option E

Explanation:

As discussed above, the conclusion must be universal negative and should not contain the middle term. So, it follows that 'No flower is fruit'. I is the converse of this conclusion and thus it follows. II is the converse of the first premise and so it also holds.

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11.

Statements: No women teacher can play. Some women teachers are athletes.

Conclusions:

  1. Male athletes can play.
  2. Some athletes can play.

A.
Only conclusion I follows
B.
Only conclusion II follows
C.
Either I or II follows
D.
Neither I nor II follows
E.
Both I and II follow

Your Answer: Option (Not Answered)

Correct Answer: Option D

Explanation:

Since one premise is negative, the conclusion must be negative. So, neither conclusion follows.

Read: Important Rules and Formulas for Logical Deduction.

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12.

Statements: All men are dogs. All dogs are cats.

Conclusions:

  1. All men are cats.
  2. All cats are men.

A.
Only conclusion I follows
B.
Only conclusion II follows
C.
Either I or II follows
D.
Neither I nor II follows
E.
Both I and II follow

Your Answer: Option (Not Answered)

Correct Answer: Option A

Explanation:

Since both the premises are universal and affirmative, the conclusion must be universal affirmative. However, conclusion II, being an A-type proposition, distributes the term 'cats'.

Since the term 'cats' is distributed in II without being distributed in any of the premises, so conclusion II cannot follow. Thus, only I follows.

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Direction (for Q.No. 13):

In each question below is given a statement followed by three courses of action numbered I, II and III. You have to assume everything in the statement to be true, then decide which of the three given suggested courses of action logically follows for pursuing.

13.

Statement: The Deputy Mayor of city Z has proposed to install a plant of mineral water and to supply citizen's mineral water bottles at Rs. 6 per litre as against Rs. 10 per litre being sold by local private companies.

Courses of Action:

  1. The local private companies of city Z will have to close their operation.
  2. The Corporation of city Z will have to provide for losses in this project in its budget.
  3. The tap water schemes of city Z will have to be stopped.

A.
Only I and II follow
B.
Only II and III follow
C.
Only I and III follow
D.
All follow
E.
None of these

Your Answer: Option (Not Answered)

Correct Answer: Option E

Explanation:

The Corporation has planned to install its plant so as to achieve cost-effective production of mineral water. Had there been a loss, it could also acquire water from private companies. So, II does not follow. Besides, the local private companies can survive by cutting costs or by extending their sales network to other cities. Thus, I does not follow. Lastly, the Corporation seeks to provide healthy drinking water to the residents. Water for general use would still be delivered through taps. Hence, III also does not follow.

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Direction (for Q.No. 14):

Each question given below consists of a statement, followed by two arguments numbered I and II. You have to decide which of the arguments is a 'strong' argument and which is a 'weak' argument.

Give answer:

  • (A) If only argument I is strong
  • (B) If only argument II is strong
  • (C) If either I or II is strong
  • (D) If neither I nor II is strong and
  • (E) If both I and II are strong.

14.

Statement: Should the opinion polls predicting outcome of elections before the elections be banned in India?

Arguments:

  1. Yes. This may affect the voters mind and may affect the outcome.
  2. No. Such polls are conducted all over the world.

A.
Only argument I is strong
B.
Only argument II is strong
C.
Either I or II is strong
D.
Neither I nor II is strong
E.
Both I and II are strong

Your Answer: Option (Not Answered)

Correct Answer: Option A

Explanation:

The opinion polls may influence the thinking of an individual and thus divert his mind from his original choice. So, argument I holds strong. Further, blindly imitating a policy followed by other countries holds no relevance. So, argument II is vague.

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Direction (for Q.No. 15):
In each series, look for the degree and direction of change between the numbers. In other words, do the numbers increase or decrease, and by how much
15.

Look at this series: 14, 28, 20, 40, 32, 64, ... What number should come next?

A.
52
B.
56
C.
96
D.
128

Your Answer: Option (Not Answered)

Correct Answer: Option B

Explanation:

This is an alternating multiplication and subtracting series: First, multiply by 2 and then subtract 8.

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Direction (for Q.No. 16):

Each question given below consists of a statement, followed by three or four arguments numbered I, II, III and IV. You have to decide which of the arguments is/are 'strong' arguments) and which is/are 'weak' arguments) and accordingly choose your answer from the alternatives given below each question.

16.

Statement: Should "literacy" be the minimum criterion for becoming a voter in India?

Arguments:

  1. No. Mere literacy is no guarantee of political maturity of an individual.
  2. Yes. Illiterate people are less likely to make politically wiser decisions of voting for a right candidate or party.
  3. No. Voting is the constitutional right of every citizen.

A.
None is strong
B.
Only I and II are strong
C.
Only III is strong
D.
Only II and III are strong
E.
All are strong

Your Answer: Option (Not Answered)

Correct Answer: Option E

Explanation:

Clearly, illiterate people lack will power and maturity in thoughts. They may easily be misled into false convictions or lured into temptations to vote for a particular group. So, argument II holds. However, a person is literate does not mean that he is conscious of all political movements, which requires practical awareness of everyday events. Thus, I also holds strong. Besides, Constitution has extended the right to vote equally to all its citizens. Hence, III also holds.

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Direction (for Q.No. 17):

In each of the following questions, a statement/group of statements is given followed by some conclusions. Without resolving anything yourself choose the conclusion which logically follows from the given statements).

17.

A factory worker has five children. No one else in the factory has five children.

A.
All workers in the factory have five children each.
B.
Everybody in the factory has children.
C.
Some of the factory workers have more than five children.
D.
Only one worker in the factory has exactly five children.

Your Answer: Option (Not Answered)

Correct Answer: Option D

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Direction (for Q.Nos. 18 - 19):

In each question below is given a statement followed by two assumptions numbered I and II. You have to consider the statement and the following assumptions and decide which of the assumptions is implicit in the statement.

Give answer

  • (A) If only assumption I is implicit
  • (B) If only assumption II is implicit
  • (C) If either I or II is implicit
  • (D) If neither I nor II is implicit
  • (E) If both I and II are implicit.

18.

Statement: Highly brilliant and industrious students do not always excel in the written examination.

Assumptions:

  1. The written examination is good mainly for mediocre students.
  2. The brilliant and industrious students cannot always write good answers in the exam

A.
Only assumption I is implicit
B.
Only assumption II is implicit
C.
Either I or II is implicit
D.
Neither I nor II is implicit
E.
Both I and II are implicit

Your Answer: Option (Not Answered)

Correct Answer: Option B

Explanation:

II explains the fact given in the statement and so is implicit. Nothing about 'mediocre students' is mentioned in or can be deduced from the given statement. So, I is not implicit.

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19.

Statement: The President assured the people that elections will be held here after every five years,

Assumptions:

  1. People are afraid that the elections may not be held at all.
  2. People are afraid that the elections may not be held after five years.

A.
Only assumption I is implicit
B.
Only assumption II is implicit
C.
Either I or II is implicit
D.
Neither I nor II is implicit
E.
Both I and II are implicit

Your Answer: Option (Not Answered)

Correct Answer: Option C

Explanation:

Clearly, the statement is made to eliminate the fear of the people that the elections may not be held at all or they may not be held after five years. So, either I or II is implicit.

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Direction (for Q.No. 20):

In each question below is given a statement followed by three assumptions numbered I, II and III. You have to consider the statement and the following assumptions, decide which of the assumptions is implicit in the statement and choose your answer accordingly.

20.

Statement: "Do not lean out of the moving train." - A warning in the railway compartment.

Assumptions:

  1. Such warnings will have some effect.
  2. Leaning out of a moving train is dangerous.
  3. It is the duty of railway authorities to take care of passengers' safety.

A.
Only I and II are implicit
B.
Only II and III are implicit
C.
Only II is implicit
D.
Only I and III are implicit
E.
All are implicit

Your Answer: Option (Not Answered)

Correct Answer: Option E

Explanation:

The warning against leaning out of moving train is made to heed against the dangers involved. So, both I and II are implicit. Since the warning has been put up in the railway compartment, so III is also implicit.

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