Logical Reasoning Test (Random Questions)

Logical Reasoning Test (Random Questions) - Logical Reasoning

Instruction:

This is a FREE online test. DO NOT pay money to anyone to attend this test.
Total number of questions : 20.
Time alloted : 30 minutes.
Each question carry 1 mark, no negative marks.
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All the best :-).

Direction (for Q.No. 1):

Each problem consists of three statements. Based on the first two statements, the third statement may be true, false, or uncertain.

Fact 1:	All drink mixes are beverages.
Fact 2:	All beverages are drinkable.
Fact 3:	Some beverages are red.

If the first three statements are facts, which of the following statements must also be a fact?

I:	Some drink mixes are red.
II:	All beverages are drink mixes.
III:	All red drink mixes are drinkable.

	A.	I and II only
	B.	II only
	C.	I and III only
	D.	III only
	E.	None of the statements is a known fact.

Your Answer: Option

Correct Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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Direction (for Q.No. 2):

In each of the following questions, two statements numbered I and II are given. There may be cause and effect relationship between the two statements. These two statements may be the effect of the same cause or independent causes. These statements may be independent causes without having any relationship. Read both the statements in each question and mark your answer as

(A) If statement I is the cause and statement II is its effect;
(B) If statement II is the cause and statement I is its effect;
(C) If both the statements I and II are independent causes;
(D) If both the statements I and II are effects of independent causes; and
(E) If both the statements I and II are effects of some common cause.

The university authority has instructed all the colleges under its jurisdiction to ban use of all phones inside the college premises.
Majority of the teachers of the colleges signed a joint petition to the university complaining the disturbances caused by cell phone ring-tones inside the classrooms.

	A.	Statement I is the cause and statement II is its effect
	B.	Statement II is the cause and statement I is its effect
	C.	Both the statements I and II are independent causes
	D.	Both the statements I and II are effects of independent causes
	E.	Both the statements I and II are effects of some common cause

Your Answer: Option

Correct Answer: Option B

Explanation:

Clearly, the university's decision came as a sequel to the complaint received by it from the college teachers against use of mobile phones in the college premises.

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Direction (for Q.No. 3):

In each of the questions below are given three statements followed by three conclusions numbered I, II and III, You have to take the given statements to be true even if they seem to be at variance from the 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.

Statements: Some mountains are hillocks. Some mountains are rivers. Some mountains are valleys.

Conclusions:

All mountains are either hillocks or rivers or valleys.

No valley is river.

Some river are valleys.

	A.	None follows
	B.	Only I follows
	C.	Only either II or III follows
	D.	Only III follows
	E.	None of these

Your Answer: Option

Correct Answer: Option C

Explanation:

Since each combination of premises shall contain two particular premises, no definite conclusion can be drawn. However, II and III are statements involving the extreme terms of the last two premises and form a complementary pair. Thus, either II or III follows.

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Direction (for Q.No. 4):

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.

Statement: "You should not grant him leave in this week due to exigency of work." - A supervisor advises the administrative officer.

Assumptions:

Request for leave can be turned down also.
The supervisor has reviewed the work required to be done during the said period.

	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

Correct Answer: Option E

Explanation:

The advice is given to turn down the request for leave. So, I is implicit. The mention of the 'exigency of work' makes II implicit.

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Direction (for Q.No. 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.

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:

Interest in reading can be created by force.
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

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.No. 6):

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.

Statement: Should there be a maximum limit for the number of ministers in the Central Government?

Arguments:

No. The political party in power should have the freedom to decide the number of ministers to be appointed.

Yes. The number of ministers should be restricted to a certain percentage of the total number of seats in the parliament to avoid unnecessary expenditure.

	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

Correct Answer: Option B

Explanation:

Clearly, there should be some norms regarding the number of ministers in the Government, as more number of ministers would unnecessarily add to the Government expenditure. So, argument II holds strong; Also, giving liberty to the party in power could promote extension of unreasonable favour to some people at the cost of government funds. So, argument I does not hold.

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Direction (for Q.No. 7):

A good way to figure out the relationship in a given question is to make up a sentence that describes the relationship between the first two words. Then, try to use the same sentence to find out which of the answer choices completes the same relationship with the third word.

Secretly is to openly as silently is to

	A.	scarcely
	B.	impolitely
	C.	noisily
	D.	quietly

Your Answer: Option

Correct Answer: Option C

Explanation:

Secretly is the opposite of openly, and silently is the opposite of noisily. Choices a and b are clearly not the opposites of silently. (Choice d) means the same thing as silently.

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Direction (for Q.No. 8):

Translate from an imaginary language into English. Then, look for the word elements that appear both on the list and in the answer choices.

Here are some words translated from an artificial language.
plekapaki means fruitcake
pakishillen means cakewalk
treftalan means buttercup
Which word could mean "cupcake"?

	A.	shillenalan
	B.	treftpleka
	C.	pakitreft
	D.	alanpaki

Your Answer: Option

Correct Answer: Option D

Explanation:

Pleka means fruit; paki means cake; shillen means walk; treftmeans butter; and alanmeans cup. Therefore, alanpaki means cupcake.

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Direction (for Q.No. 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.

A few states in this country are considering legislation that would prohibit schools from using calculators before the sixth grade. Other states take a different position. Some states are insisting on the purchase of graphing calculators for every student in middle school.
This paragraph best supports the statement that in this country

	A.	there are at least two opinions about the use of calculators in schools.
	B.	calculators are frequently a detriment to learning math.
	C.	state legislators are more involved in education than ever before.
	D.	the price of graphing calculators is less when schools buy in bulk.
	E.	the argument against calculators in schools is unfounded.

Your Answer: Option

Correct Answer: Option A

Explanation:

The paragraph clearly states that there are two differing opinions with regard to the use of calculators in the classroom. Although some people may believe that choice b is true, the paragraph does not indicate this. Choice c has no relation to the paragraph. Choice d makes logical sense, but the paragraph says nothing about cost. Choice e is an opinion that is not given in the paragraph.

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Direction (for Q.No. 10):

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 artists are smokers. Some smokers are drunkards.

Conclusions:

1.All smokers are artists

2.Some drunkards are not smokers.

	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

Correct Answer: Option D

Explanation:

Since the middle term 'smokers' is not distributed even once in the premises, no definite conclusion follows.

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Direction (for Q.No. 11):

In each of the following questions, three statements are given followed by four conclusions numbered I, II, III and TV. You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

11.

Statements: Some dogs are rats. All rats are trees. Some trees are not dogs.

Conclusions:

Some trees are dogs.

All dogs are trees.

All rats are dogs.

No tree is dog.

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

Your Answer: Option

Correct Answer: Option B

Explanation:

Some dogs are rats. All rats are trees.

Since one premise is particular, the conclusion must be particular and should not contain the middle term. So, it follows that 'Some dogs are trees'. I is the converse of this conclusion and so it holds.

All rats are trees. Some trees are not dogs.

Since the middle term 'trees' is not distributed even once in the premises, no definite conclusion follows.

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Direction (for Q.No. 12):

Each question presents a situation and asks you to make a judgment regarding that particular circumstance. Choose an answer based on given information.

12.

The neighborhood block association has received many complaints about people knocking on doors and soliciting money for an unknown charity organization even though door-to-door solicitation is prohibited by local laws. Three residents have provided descriptions of individuals who have come to their door asking for money.

Solicitor #1 is a white male, 20-25 years old, 5'9", 145 pounds, with very short brown hair. He was wearing a dark blue suit and carrying a brown leather briefcase.

Solicitor #2 is a white male, 25-30 years old, 6'2", 200 pounds, with a shaved-head. He was wearing a red T-shirt and jeans.

Solicitor #3 is a white male, approximately 23 years old, 5'10", slight build, with short brown hair. He was wearing a blue suit.

Three days after the block association meet- ing, a resident noticed a man knocking on doors in the neighborhood and phoned the police to report the illegal activity. This solic- itor was described as follows:

Solicitor #4 is a white male, 22 years old, 140 pounds, about 5'10", with short brown hair. He was carrying a briefcase and wearing a dark suit.

Based on this description, which of the three solicitations was also likely carried out by Solicitor #4?

	A.	#1, #2, and #3
	B.	#1, but not #2 and #3
	C.	#1 and #3, but not #2
	D.	#1 and #2, but not #3

Your Answer: Option

Correct Answer: Option C

Explanation:

The solicitor described as #2 has a shaved head and is much taller and heavier than the solicitors described as #1 and #3. Therefore, choices a and d, which include #2, can be ruled out. Solicitors #1, #3, and #4 have such similar descriptions that the correct answer is clearly choice c.

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Direction (for Q.No. 13):

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

13.

Look at this series: 1.5, 2.3, 3.1, 3.9, ... What number should come next?

	A.	4.2
	B.	4.4
	C.	4.7
	D.	5.1

Your Answer: Option

Correct Answer: Option C

Explanation:

In this simple addition series, each number increases by 0.8.

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Direction (for Q.No. 14):

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.

14.

Statements: Some dreams are nights. Some nights are days.

Conclusions:

1.All days are either nights or dreams.

2.Some days are nights.

	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

Correct Answer: Option B

Explanation:

Since both the premises are particular, no definite conclusion follows. However, II is the converse of the second premise and thus it holds.

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Direction (for Q.No. 15):

15.

Statements: Some blankets are beds. Some pillows are blankets. All beds are pillows.

Conclusions:

Some blankets are pillows.

Some pillows are beds.

Some beds are blankets.

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

Your Answer: Option

Correct Answer: Option D

Explanation:

I is the converse of the second premise, II is the converse of the third premise and III is the converse of the first premise and as such, all three of them follow.

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Direction (for Q.No. 16):

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.

16.

Statements: All mangoes are golden in colour. No golden-coloured things are cheap.

Conclusions:

1.All mangoes are cheap.

2.Golden-coloured mangoes are not cheap.

	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

Correct Answer: Option B

Explanation:

Clearly, the conclusion must be universal negative and should not contain the middle term. So, it follows that 'No mango is cheap'. Since all mangoes are golden

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Direction (for Q.No. 17):

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.

17.

Statements: Applications of applicants who do no fulfil eligibility criteria and/or who do not submit applications before last date will be summarily rejected and will not be called for the written test.

Conclusions:

Those who are called for the written test are those who fulfil eligibility criteria and have submitted their applications before last date.
Written test will be held only after scrutiny of applications.

	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

Correct Answer: Option E

Explanation:

The statement clearly mentions that fulfilling the eligibility criteria and submitting the application before the stipulated date are both essential to avoid rejection. So, I follows. Also, since it is given that the candidates whose applications are rejected shall not be called for written test, so II also follows.

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Direction (for Q.No. 18):

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

18.

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

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. 19):

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.

19.

Statement: Should we scrap the system of formal education beyond graduation?

Arguments:

Yes. It will mean taking employment at an early date.

No. It will mean lack of depth of knowledge.

	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

Correct Answer: Option B

Explanation:

Clearly, argument I is vague because at present too, many fields are open to all after graduation. However, eliminating the post-graduate courses would abolish higher and specialized studies which lead to understanding things better and deeply. So, argument II is valid.

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Direction (for Q.No. 20):

20.

Statements: Some pearls are stones. Some stones are diamonds. No diamond is a gem.

Conclusions:

Some gems are pearls.

Some gems are diamonds.

No gem is a diamond.

No gem is a pearl.

	A.	Only I and II follow
	B.	Only III and IV follow
	C.	Only either I or IV and either II or III follow
	D.	Only III and either I or IV follow
	E.	None of these

Your Answer: Option

Correct Answer: Option D

Explanation:

III is the converse of the third premise and so it holds.

Some pearls are stones. Some stones are diamonds.

Since both the premises are particular, no definite conclusion follows.

Some stones are diamonds. No diamond is a gem.

Since one premise is particular and the other negative, the conclusion must be particular negative and should not contain the middle term. So, it follows that 'Some stones are not gems'.

However, I and IV involve the extreme terms of the three premises and form a complementary pair, Thus, either I or IV follows.

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