Logical Reasoning Test

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Logical Reasoning Test - 16

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Question 1
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Directions For Questions

Direction: Study the following information and answer the given questions.

Eight friends K, L, M, N, O, P, Q and R are sitting in a circle, not necessarily in the same order. Four of them are facing outside and four of them are facing the centre. O faces outside and both the immediate neighbours of O face the centre. R sits second to the right of O. L sits third to the left of O. N faces the centre. Both the immediate neighbours of N face outside. K sits second to the left of Q. L sits third to the right of R. P is an immediate neighbour N. M is an immediate neighbour of Q. P is not an immediate neighbour of L.

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Who amongst the following sits third to the right of K?

A
Q

B
O

C
M

D
K

E
P

Solution

1. O faces outside and both the immediate neighbors of O face the center.

2. R sits second to the right of O.

3. L sits third to the left of O.

4. L sits third to the right of R.

5. N faces the centre.

6. Both the immediate neighbours of N face outside.

7. P is an immediate neighbour N.

8. P is not an immediate neighbour of L.

9. K sits second to the left of Q.

10. M is an immediate neighbour of Q.

Thus, M sits third to the right of K.
Question 2
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Directions For Questions

Direction: Study the following information and answer the given questions.

Eight friends K, L, M, N, O, P, Q and R are sitting in a circle, not necessarily in the same order. Four of them are facing outside and four of them are facing the centre. O faces outside and both the immediate neighbours of O face the centre. R sits second to the right of O. L sits third to the left of O. N faces the centre. Both the immediate neighbours of N face outside. K sits second to the left of Q. L sits third to the right of R. P is an immediate neighbour N. M is an immediate neighbour of Q. P is not an immediate neighbour of L.

...view full instructions

Who amongst the following sits to the immediate right of M?

A
K

B
L

C
N

D
O

E
P

Solution

1. O faces outside and both the immediate neighbors of O face the center.

2. R sits second to the right of O.

3. L sits third to the left of O.

4. L sits third to the right of R.

5. N faces the centre.

6. Both the immediate neighbours of N face outside.

7. P is an immediate neighbour N.

8. P is not an immediate neighbour of L.

9. K sits second to the left of Q.

10. M is an immediate neighbour of Q.

Thus, L sits to the immediate right of M.
Question 3
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Direction: In the following question assuming the given statements to be true, find which of the conclusion among the given conclusions is/ are definitely true and then give your answers accordingly

Statement: B > G < F < S; A > M < F < S

Conclusions:

I. B > A

II. S > M

A
Only I follows

B
Only II follows

C
Both I and II follow

D
Either I or II follows

E
Neither I nor II follows

Solution

Given statements: B > G < F < S; A > M < F < S

On combining the two statements: B > G < F < S > F > M < A

Conclusions:

I. B > A → False ( as B > G < F < S > F > M < A, No relation can be established between B and A)

II. S > M → True ( as S > F > M )

Therefore, only conclusion II follows.
Question 4
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Directions For Questions

Direction: In the question below are given three statements followed by two conclusions numbered (i) and (ii). 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.

...view full instructions

Statements:

Only A are B.

Only C are D.

Some A are C.

Conclusions:

(i) Some B can be C.

(ii) Some D are A.

A
Only (i) follows

B
Only (ii) follows

C
Either (i) and (ii) follows

D
None follows

Solution

The least possible Venn diagram for the given statements is as follows

Conclusions:

(i) Some B can be C → False (only A are B, nothing else can be B)

(ii) Some D are A → False (Only C are D, nothing else can be D)

Therefore, both conclusions (i) and (ii) follow.
Question 5
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Directions For Questions

Direction: Study the following information to answer these questions.

A is the sister of S and T. J is the only son of the brother-in-law of S. S is married to M. S is son of K. K and B has three child. A is married to Q. R is son of S.T is unmarried. B is the grandmother of R.

...view full instructions

How R and J are related to each other.

A
Brother

B
Sister

C
Cousins

D
None of these

E
Cannot be determine

Solution

From the given Information

Based on the given information we can draw family tree:

So, J and R are cousin.
Question 6
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Directions For Questions

Direction: Study the following information to answer these questions.

A is the sister of S and T. J is the only son of the brother-in-law of S. S is married to M. S is son of K. K and B has three child. A is married to Q. R is son of S.T is unmarried. B is the grandmother of R.

...view full instructions

How is T related to J?

A
Uncle

B
Aunt

C
Brother

D
Brother-in-law

E
Cannot be determine

Solution

From the given Information

Based on the given information we can draw family tree:

Here we does not know the gender of T.

So, we cannot determine the relation between T and R.
Question 7
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Directions For Questions

Direction: In the following question assuming the given statements to be true, find which of the conclusions among given conclusions is/are definitely true and then give your answers accordingly.

...view full instructions

Statements:

C = O > N = A > R; I < G ≤ A

Conclusions:

I. N > G

II. R ˃ I

A
Only conclusion I is true

B
Only conclusion II is true

C
Either conclusion I or II is true

D
Both conclusions I and II are true

E
Neither conclusion I nor II is true

Solution

Given statements: C = O > N = A > R; I < G ≤ A

On combining the given statements: C = O > N = A ≥ G > I

Conclusions:

I. N > G → False (as N = A ≥ G)

II. R > I → False (as R < A ≥ G < I) → thus the relation between R and I cannot be determined.
Question 8
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Directions For Questions

Direction: In the following question assuming the given statements to be true, find which of the conclusions among given conclusions is/are definitely true and then give your answers accordingly.

...view full instructions

Statements:

R < S < T > U; Z Q = T

Conclusions:

I. R > P

II. U > Z

A
Only I is true

B
Only II is true

C
Both I and II are true

D
Neither I nor II is true

E
Either I or II is true

Solution

Given statements: R < S < T > U; Z Q = T

On combining: R < S < T = Q Z; U < T = Q P → False (as R < S < Q = T Z → False (as U < Q = T < P → U < P and Z < P → thus no clear relation between U and Z can be determined)
Question 9
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In a special coding language, if the word “FIRST” is coded as “HKTUV”, then how can “SECOND” be coded?

A
UGEQPF

B
UHEQPF

C
UGEQSF

D
UGEMPF

E
UEFMGP

Solution
Question 10
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Direction: In the following question, a given questions is followed by information in three statements. You have to find out the data in which statement (s) is sufficient to answer the question and mark your answer accordingly

What is the code for ‘all are free’?

I. In the code language, ‘all tables are chair’ is written as ‘ai si ea nt’

II. In the same language, ‘some are free birds’ is written as ‘os rt gk ai’

III. In the same language, ‘this is all of us’ is written as ‘jg nt lp cv’

A
All the statements are required

B
Only I and III are sufficient

C
Only I and II are sufficient

D
Only II and III are sufficient

E
Insufficient data

Solution

Statement I:

‘all tables are chair’ is written as ‘ai si ea nt’

Therefore, statement I alone is not sufficient.

Statement II:

‘some are free birds’ is written as ‘os rt gk ai’

Therefore, statement II alone is not sufficient.

Statement III:

‘this is all of us’ is written as ‘jg nt lp cv’

Therefore, statement III alone is not sufficient.

On combining, all the three statements,

The word ‘free’ is not common in any statement. Even the other words in statement II i.e. ‘some’ and ‘birds’ are also not common in other statements so the code for ‘free’ cannot be determined from the leftout code. Therefore, the code for “free” can’t be determined.

Therefore, the data in all the statements together are not sufficient to answer the question.