Logical Reasoning Test

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Logical Reasoning Test - 9

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Question 1
1 / -0

In a certain language, 'sun shines brightly' is written as 'ba lo sul', 'houses are brightly lit' is written as 'kado ula ari ba' and 'light comes from sun' is written as 'dopi kup lo nro'. What are the respective code words for 'sun' and 'brightly'?

A
ba, sul

B
sul, lo

C
lo, ba

D
ba, ula

Solution

'Io' is the code for 'sun'. 'ba' is the code for 'brightly'.
Question 2
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In a row facing North, Baljit is 11^thto the left of Rekha and Pihu is 9^thto the right of Rekha. The number of people to the left of Baljit is same as number of people between Rekha and Pihu. Pihu is 3^rdfrom the right end. Find the total number of people in the row.

A
29

B
30

C
31

D
33

Solution

Pihu is 9^th to the right of Rekha, so, number of people between Pihu and Rekha = 8
Baljit is 11^th to the left of Rekha, so, number of people between Rekha and Baljit = 10
Number of people to the left of Baljit = 8
Position of Pihu from right end = 3^rd
Total number of people in a row = 8 + Baljit + 10 + Rekha + 8 + 3 = 31
Question 3
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If - stands for , + stands for x, stands for - and x stands for +, which of the following equations is correct?

A
40 - 10 + 5 4 x 5 = 21

B
40 + 10 - 4 x 5 3 = 80

C
40 10 - 4 x 5 + 3 = 32

D
8 - 4 x 40 2 + 15 = 30

Solution

40 - 10 + 5 4 x 5 = 21 means 40 10 x 5 - 4 + 5
= 4 x 5 - 4 + 5
= 20 - 4 + 5
= 16 + 5
= 21
Question 4
1 / -0

Six family members - A, B, C, D, E and F - were sitting around a table in a party. D is the brother of E, who is the sister of B. C is the brother of D's mother. A is the husband of F, who is the daughter of C.

How is C related to B?

A
Uncle

B
Brother-in-law

C
Cousin

D
Nephew

Solution

C is the uncle of B.
Question 5
1 / -0

Directions: Answer the question based on the following information:

Eight friends A, B, C, D, E, F, G, and H are sitting in a circle facing the centre. Only B is sitting between G and D, H is third to the left of B and second to the right of A. Only C is sitting between A and G. B and E are not sitting opposite to each other.

Which of the following statements is not correct?

A
C is third to the right of D.

B
Only E is sitting between F and D.

C
Only A is sitting between C and F.

D
E and C are sitting opposite to each other.

Solution

Only B is sitting between G and D, H is third to the left of B and second to the right of A. So we get two cases as given below:

Case-I :

Case II :

Only C is sitting between A and G. B and E are not sitting opposite to each other. So Case-I gets void and only Case-II is valid and we get final arrangement as given below:

Only E is sitting between F and D is incorrect statement.
Question 6
1 / -0

Directions: Study the following information and answer the questions given below.

Eight boys A, B, C, D, E, F, G and H are sitting in a row facing towards north, but not necessarily in the same order. A is fourth to the right of E and H is fourth to the left of D. C and F who are not sitting at extreme ends are neighbours of B and E, respectively. H is next to the left of A and A is the neighbour of B.

How many boys are sitting in between H and C?

A
1

B
2

C
3

D
4

Solution

Eight boys A, B, C, D, E, F, G and H are sitting in a row facing towards north. H is next to the left of A and A is the neighbour of B. A is fourth to the right of E.

H is fourth to the left of D. C and F who are not sitting at extreme ends are neighbours of B and E, respectively.

Two boys are sitting between H and C.
Question 7
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Maya starts from point T and walks straight towards east to point U, which is 4 ft away. She turns 90° to the left and walks to point W, which is 4 ft away. Again, she turns 90° to the right and walks 3 ft to point P. She then turns 90° to the right and walks another 1 ft to point Q. She further turns 90°to the left and walks to point V, which is 1 ft away. Finally, she turns 90° to the right and walks to point R, which is 3 ft away. What is the distance between point T and point R?

A
4 ft

B
5 ft

C
7 ft

D
8 ft

Solution

Consider the diagram given below.

Hence, the distance between point T and point R is 8 ft.
Question 8
1 / -0

If P means ÷, Q means -, R means +, and S means ×, then what will be the value of 40 R 30 P 5 Q 4 S 3?

A
32

B
34

C
35

D
37

Solution

After writing proper notations, we get: 40 + 30 ÷ 5 - 4 × 3
= 40 + 6 - 12
= 46 - 12
= 34
Question 9
1 / -0

Directions: In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

ab_ _abbc_aa_bbb

A
cacb

B
cacc

C
cabc

D
caca

Solution

ab_ _abbc_aa_bbb
In the following question , we have to fill the empty places with a , b and c.
So , the question has 3 parts in the first part there are single alphabets, in the second part the alphabets get doubled and in the third part they get trippled.
So, option 4 has correct set to complete the sequence.
abc | aabbcc | aaabbb
Question 10
1 / -0

Directions: Study the diagram given below carefully and answer the following question.

I - Females
II - Indians
III - Badminton players
IV - Uneducated

Which of the following represents non-Indian females, who are uneducated badminton players?

A
A

B
d

C
a

D
b

Solution

'a' represents non-Indian females, who are uneducated badminton players.
Question 11
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Directions: In the given problem, the second figure in the first unit of the Problem figures bears a certain relationship to the first figure. Similarly, one of the figures in the Answer figures bears the same relationship to either the first or the second figure in the second unit of the Problem figures. You have to locate the figure which would replace the question mark (?).

A
(a)

B
(b)

C
(c)

D
(d)

Solution

In this second row, first column element remains as it is. Rest all shift one position anti-clockwise from second figure to get first figure. Similarly, the figure (c) will follow the same pattern.
Question 12
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Directions: In the following question, from amongst the figures marked (1), (2), (3) and (4), select the one which satisfies the same conditions of placement of the dots as in figure (X).

A
(1)

B
(2)

C
(3)

D
(4)

Solution

In figure (X), one of the dots lies in the region common to the square and the triangle only, another dot lies in the region common to the circle and the triangle only and the third dot lies in the region common to the triangle and the rectangle only. In figure (2), there is no region common to the square and the triangle only. In figure (3), there is no region common to the circle and the triangle only. In figure (4), there is no region common to the triangle and the rectangle only. Only figure (1) consists of all the three types of regions.
Question 13
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Directions: A piece of paper is folded and punched as shown below in the question figures. From the given answer figures, indicate how it will appear when opened.

A

B

C

D

Solution
Question 14
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Directions: In the following question, a figure is given, part of which is missing. Choose the missing part from the alternatives (a, b, c and d), which will complete the figure.

A

B

C

D

Solution
Question 15
1 / -0

Directions: The question consists of four Question figures and four Answer figures (A, B, C and D). Select an Answer figure which continues the same pattern as established by the Question figures.

A
A

B
B

C
C

D
D

Solution

Arrow below shows the movement of elements.

Therefore,is the correct answer.
Question 16
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How many triangles are there in the following figure?

A
22

B
24

C
26

D
28

Solution

We may label the figure as shown.
The simplest triangles are AGH, GFO, LFO, DJK, EKP, PEL and IMN, i.e. 7 in number.
The triangles having two components each are GFL, KEL, AMO, NDP, BHN, CMJ, NEJ and HFM, i.e. 8 in number.
The triangles having three components each are IOE, IFP, BIF and CEI, i.e. 4 in number.
The triangles having four components each are ANE and DMF, i.e. 2 in number.
The triangles having five components each are FCK, BGE and ADL, i.e. 3 in number.
The triangles having six components each are BPF, COE, DHF and AJE, i.e. 4 in number.
∴ Total number of triangles in the figure = 7 + 8 + 4 + 2 + 3 + 4 = 28

Hence, option (4) is the right answer.
Question 17
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Six faces of a cube have been marked with numbers 1, 2, 3, 4, 5 and 6. The surfaces of the cube have been unfolded and this unfolded position of the cube has been shown in four different figures (1), (2), (3) and (4). Choose the figure that will be formed when the cube is unfolded.

A

B

C

D

Solution

Option 3 is correct because 1 is opposite to 6, 3 is opposite to 4, and 2 is opposite to 5, so they cannot be adjacent or written together.
Question 18
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Directions: In this question, a figure (x) is given, followed by four answer figures (A), (B), (C) and (D). Select the answer figure which is the mirror image(xy is the mirror) of figure (x).

A
A

B
B

C
C

D
D

Solution

So, option (1) is correct.
Question 19
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Directions: A figure (X) is followed by alternative figures (a), (b), (c) and (d) such that the figure (X) is embedded in one of them. Choose the alternative figure in which the figure (X) is embedded.

A
(a)

B
(b)

C
(c)

D
(d)

Solution
Question 20
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Directions: In the following question, a figure marked 'X' is followed by four figures (a), (b), (c) and (d) which show the possible water images of figure 'X'. Choose one out of these four figures that shows the correct water image of figure 'X'.

A
(a)

B
(b)

C
(c)

D
(d)

Solution

The image will flip vertically.