Logical Reasoning Test

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Logical Reasoning Test - 4

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Question 1
1 / -0

Directions For Questions

Direction: The following questions are based on the three-digit numbers given below. Study the information carefully and answer the questions.

713 486 635 562 875

...view full instructions

If the second and third digits of each of the numbers are added then the resulting sum of these two digits are divisible by 3 for which of the following number?

A
486

B
713

C
562

D
875

E
635

Solution

Given number series: 713 486 635 562 875

On adding second and third digits, we get:

713 → 4

486 → 14

635 → 8

562 → 8

875 → 12

Here only 12 is divisible by 3.

So, If the second and third digits of each of the numbers are added the resulting sum of “875” is exactly divisible by 3.
Question 2
1 / -0

Directions For Questions

Direction: The following questions are based on the three-digit numbers given below. Study the information carefully and answer the questions.

713 486 635 562 875

...view full instructions

If each number second and third digits are interchanged, then how many odd numbers are there?

A
2

B
3

C
4

D
5

E
1

Solution

Given number series: 713 486 635 562 875

On interchanging each number second and third digits, we get:

731 468 653 526 857

So, there are three odd numbers in the series.
Question 3
1 / -0

Directions For Questions

Direction: In the question 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 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:

I: All apple are chickoo.

II: Only orange are chickoo.

III: No apple is kiwi.

Conclusions:

I. No orange is kiwi.

II. All orange are chickoo is a possibility.

III. Some oranges are chickoo.

A
Only I and III follow

B
Only II and III follow

C
Only I and II follow

D
All follow

E
None of these

Solution

In these types of questions, 'Only' means ‘All’.

Statement II: Only orange are chickoo.

It means All chickoo are orange.

Venn Diagram according to the question is as follows,

Conclusions:

I. No orange is kiwi → Not follows.

II. All orange are chickoo is a possibility → Follows (As it is not confirmed so it can be a possibility).

III. Some oranges are chickoo → Follows.

Thus, Only II and III follow.
Question 4
1 / -0

Directions For Questions

Direction: In the question 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 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:

I. All Watch are Digital.

II. All Digital are Camera.

III. No Camera is anAutomatic.

Conclusions:

I. All Watch are Camera.

II. No Digital is an Automatic.

III. No Watch is an Automatic.

A
Only I follows

B
Only II follows

C
Only III follows

D
Both II and III follow

E
All follow

Solution

Venn Diagram according to the question is as follows,

Conclusions:

I. All Watch are Camera → True.

II. No Digital is an Automatic → True (as all digital are camera and no camera is automatic).

III. No Watch is an Automatic → True (as all watch are digital, all digital are camera and no camera is automatic).

Therefore, all conclusions follow.
Question 5
1 / -0

Directions For Questions

Direction: In the question 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 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:

I. No Bag is a Box.

II. Some Box are Square.

III. All Square are Circle.

Conclusions:

I. Some Circle are Box.

II. No Box is a Square.

III. Some Square being a Bag is a possibility.

A
Only I follows

B
Both I and II follow

C
Both I and III follow

D
Both II and III follow

E
All follow

Solution

Consider the following least possible Venn diagram,

Conclusions:

I. Some Circle are Box → True.

II. No Box is a Square → False (It is not possible as some box are square).

III. Some Square being a Bag is a possibility → True (It is possible so the possibility is true).

Therefore, conclusions I and III follow.
Question 6
1 / -0

Directions For Questions

Direction: In the question 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 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:

I: All TV are fridges.

II: Some computers are TV

III: All AC are computers.

Conclusions:

I. Some AC are fridges.

II. Some fridges are computers.

III. All TV are computers.

A
Only I follows

B
Only II follows

C
Only III follows

D
Both I and II follow

E
Both II and III follow

Solution

Venn Diagram according to the question is as follows,

Conclusions:

I. Some AC are fridges → False (It is possible but not definite)

II. Some fridges are computers → True

III. All TV are computers → False (It is possible but not definite)

Therefore, only conclusion II follows.
Question 7
1 / -0

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

Statements:

J = K < L > N = U; U < J < T > M

Conclusions:

I. N < T

II. K > M

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: J = K < L > N = U; U < T > M

On combining: J = K < L > N = U < T > M

Conclusions:

I. N < T: True (as N = U < T ⇒ N < T)

II. K > M: False (as no clear relation can be determined between K and M)

So, the only conclusion I is true.

Question 8

1 / -0

Directions For Questions

Direction: Read the following information carefully and answer the questions given below:

Twelve persons viz. A, B, C, D, P, Q, R, S, T, U, V and W live in a building with 4 floors (lowermost floor numbered as 1 and topmost floor as 4 but not necessarily in the same order. There are 3 flats on each floor numbered 1 to 3 from left to right.

Only two floors are there between A and D who lives in an even numbered flat. T lives in flat number 3, on 3rd floor. U lives on a floor immediately above W. Neither U nor W lives on the same floor on which T lives. R and S live in the same numbered flat. Q lives on top floor, in an odd numbered flat. C lives in a flat immediately below S who is living on an even numbered floor. Only one floor is there between V and Q. U does not live in an odd numbered flat. B and D stay in the same numbered flat and on an odd numbered floor. C lives in the same numbered flat as A.

...view full instructions

Who lives in flat number 1 on 3rd floor?

S

A

C

R

None of these

Solution

(1) Q lives on top floor, in an odd numbered flat.

(Q stays in either flat 1 or flat 3)

(2) T lives in flat number 3, on 3rd floor.

Case 1:

Floor	Flat 1	Flat 2	Flat 3
4	Q
3			T
2
1

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4			Q
3			T
2
1

(3) Only two floors are there between A and D who lives in an even numbered flat.

(4) B and D stay in the same numbered flat and on an odd numbered floor.

Since B and D stays on odd floor, So A stays on top floor and D stays on floor 1.

Case 1:

Floor	Flat 1	Flat 2	Flat 3
4	Q
3		B	T
2
1		D

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4			Q
3		B	T
2
1		D

(5) U lives on a floor immediately above W.

(6) Neither U nor W lives on the same floor on which T lives.

(7) U does not live in an odd numbered flat.

Therefore, W lives on floor 1.

Case 1:

Floor	Flat 1	Flat 2	Flat 3
4	Q
3		B	T
2		U
1		D

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4			Q
3		B	T
2		U
1		D

(8) Only one floor is there between V and Q.

V lives on floor 2.

(9) C lives immediate below the flat of S who is living on even floor.

(10) C lives in the same numbered flat as A.

Case 1:

Floor	Flat 1	Flat 2	Flat 3
4	Q		A
3		B	T
2	V	U	S
1		D	C

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4	A		Q
3		B	T
2	S	U	V
1	C	D

(11) R and S live in the same numbered flat.

W lives on floor 1 (refer point 7)

Thus, case 1 eliminates.

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4	A	P	Q
3	R	B	T
2	S	U	V
1	C	D	W

Thus, the correct answer is R.

Question 9

1 / -0

Directions For Questions

Direction: Read the following information carefully and answer the questions given below:

...view full instructions

Who among the following are staying in the same floor?

C and D

U and D

T and V

All of the above

None of these

Solution

(1) Q lives on top floor, in an odd numbered flat.

(Q stays in either flat 1 or flat 3)

(2) T lives in flat number 3, on 3rd floor.

Case 1:

Floor	Flat 1	Flat 2	Flat 3
4	Q
3			T
2
1

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4			Q
3			T
2
1

(3) Only two floors are there between A and D who lives in an even numbered flat.

(4) B and D stay in the same numbered flat and on an odd numbered floor.

Since B and D stays on odd floor, So A stays on top floor and D stays on floor 1.

Case 1:

Floor	Flat 1	Flat 2	Flat 3
4	Q
3		B	T
2
1		D

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4			Q
3		B	T
2
1		D

(5) U lives on a floor immediately above W.

(6) Neither U nor W lives on the same floor on which T lives.

(7) U does not live in an odd numbered flat.

Therefore, W lives on floor 1.

Case 1:

Floor	Flat 1	Flat 2	Flat 3
4	Q
3		B	T
2		U
1		D

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4			Q
3		B	T
2		U
1		D

(8) Only one floor is there between V and Q.

V lives on floor 2.

(9) C lives immediate below the flat of S who is living on even floor.

(10) C lives in the same numbered flat as A.

Case 1:

Floor	Flat 1	Flat 2	Flat 3
4	Q		A
3		B	T
2	V	U	S
1		D	C

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4	A		Q
3		B	T
2	S	U	V
1	C	D

(11) R and S live in the same numbered flat.

W lives on floor 1 (refer point 7)

Thus, case 1 eliminates.

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4	A	P	Q
3	R	B	T
2	S	U	V
1	C	D	W

Thus, C and D live on the same floor.

Question 10

1 / -0

Directions For Questions

Direction: Read the following information carefully and answer the questions given below:

...view full instructions

Who lives in the flat immediately above R?

B

D

A

Q

T

Solution

(1) Q lives on top floor, in an odd numbered flat.

(Q stays in either flat 1 or flat 3)

(2) T lives in flat number 3, on 3rd floor.

Case 1:

Floor	Flat 1	Flat 2	Flat 3
4	Q
3			T
2
1

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4			Q
3			T
2
1

(3) Only two floors are there between A and D who lives in an even numbered flat.

(4) B and D stay in the same numbered flat and on an odd numbered floor.

Since B and D stays on odd floor, So A stays on top floor and D stays on floor 1.

Case 1:

Floor	Flat 1	Flat 2	Flat 3
4	Q
3		B	T
2
1		D

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4			Q
3		B	T
2
1		D

(5) U lives on a floor immediately above W.

(6) Neither U nor W lives on the same floor on which T lives.

(7) U does not live in an odd numbered flat.

Therefore, W lives on floor 1.

Case 1:

Floor	Flat 1	Flat 2	Flat 3
4	Q
3		B	T
2		U
1		D

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4			Q
3		B	T
2		U
1		D

(8) Only one floor is there between V and Q.

V lives on floor 2.

(9) C lives immediate below the flat of S who is living on even floor.

(10) C lives in the same numbered flat as A.

Case 1:

Floor	Flat 1	Flat 2	Flat 3
4	Q		A
3		B	T
2	V	U	S
1		D	C

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4	A		Q
3		B	T
2	S	U	V
1	C	D

(11) R and S live in the same numbered flat.

W lives on floor 1 (refer point 7)

Thus, case 1 eliminates.

Case 2:

Floor	Flat 1	Flat 2	Flat 3
4	A	P	Q
3	R	B	T
2	S	U	V
1	C	D	W

Thus, A lives in the flat immediately above R.

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Re-Attempt Weekly Quiz Competition

Logical Reasoning Test - 4

Result

Logical Reasoning Test - 4

Score

-

Rank

-

SHARING IS CARING

Question 1

486

713

562

875

635

Solution

Question 2

2

3

4

5

1

Solution

Question 3

Only I and III follow

Only II and III follow

Only I and II follow

All follow

None of these

Solution

Question 4

Only I follows

Only II follows

Only III follows

Both II and III follow

All follow

Solution

Question 5

Only I follows

Both I and II follow

Both I and III follow

Both II and III follow

All follow

Solution

Question 6

Only I follows

Only II follows

Only III follows

Both I and II follow

Both II and III follow

Solution

Question 7

Only I is true

Only II is true

Both I and II are true

Neither I nor II is true

Either I or II is true

Solution

Question 8

S

A

C

R

None of these

Solution

Question 9

C and D

U and D

T and V

All of the above

None of these

Solution

Question 10

B

D

A

Q

T

Solution

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Question Analysis