# Matrix Test Quiz Set 31

### Question 1

Two matrices are shown in the figure below. Their rows and columns are labelled as (0,1,2,3,4) and (5,6,7,8,9) in the manner shown. Find the correct row-column pairs out of the following matrices that decode to the word - JINX

 0 1 2 3 4 0 E I V W A 1 E K G A V 2 J J J I W 3 B Q J Y J 4 G I F I I
 5 6 7 8 9 5 K O S X X 6 S E X Q X 7 X H N N S 8 O D R N G 9 F W N Q N
A

20, 41, 78, 69

B

22, 44, 99, 20

C

21, 23, 88, 44

D

34, 43, 77, 99

Soln.
Ans: a

J occurs at: 20 ;21 ;22 ;32 ;34 ;
I occurs at: 01 ;23 ;41 ;43 ;44 ;
N occurs at: 77 ;78 ;88 ;97 ;99 ;
X occurs at: 58 ;59 ;67 ;69 ;75 ;

### Question 2

The rows and columns of the left matrix have been labelled as G, H, I, J, K and 0, 1, 2, 3, 4, whereas those of the right matrix are L, M, N, O, P and 5, 6, 7, 8, 9. Find the correct row-column pairs out of these matrices that decode to the word - 1MLV

 G H I J K 0 X Y Y X X 1 X I Y I M 2 M X 1 1 M 3 I Y 1 M 1 4 M Y I 1 I
 L M N O P 5 K 4 V K K 6 E 4 K L L 7 L 4 E E V 8 E L K V V 9 4 L E V 4
A

3K, 3J, 7L, 9O

B

2J, 2G, 9M, 3K

C

4J, 2K, 8M, 2G

D

3I, 4G, 6O, 9M

Soln.
Ans: a

1 occurs at: 2I ;2J ;3I ;3K ;4J ;
M occurs at: 1K ;2G ;2K ;3J ;4G ;
L occurs at: 6O ;6P ;7L ;8M ;9M ;
V occurs at: 5N ;7P ;8O ;8P ;9O ;

### Question 3

The rows and columns of the left matrix have been labelled as 0, 1, 2, 3, 4 and D, E, F, G, H, whereas those of the right matrix are 5, 6, 7, 8, 9 and I, J, K, L, M. Find the correct row-column pairs out of these matrices that decode to the word - TXA7

 0 1 2 3 4 D D X D E T E E T B T T F D B D X E G T B B B E H E X D X X
 5 6 7 8 9 I Z 7 A Z K J 6 6 K Z A K 7 Z K 7 A L A 7 K 7 6 M K A Z 6 6
A

E4, F3, L5, K8

B

E3, H1, K9, E4

C

E1, D1, M6, H1

D

G0, H4, I7, K9

Soln.
Ans: a

T occurs at: D4 ;E1 ;E3 ;E4 ;G0 ;
X occurs at: D1 ;F3 ;H1 ;H3 ;H4 ;
A occurs at: I7 ;J9 ;K9 ;L5 ;M6 ;
7 occurs at: I6 ;K5 ;K8 ;L6 ;L8 ;

### Question 4

Two matrices are shown in the figure below. Their rows and columns are labelled as (0,1,2,3,4) and (5,6,7,8,9) in the manner shown. Find the correct row-column pairs out of the following matrices that decode to the word - OMEN

 0 1 2 3 4 0 O O O M J 1 A D M V L 2 A A S W Y 3 M O D O M 4 Y R M R Q
 5 6 7 8 9 5 E E U F T 6 E N N N G 7 J V E E F 8 G N Q V T 9 P T F N S
A

00, 34, 65, 68

B

33, 42, 77, 00

C

01, 12, 78, 42

D

31, 30, 55, 77

Soln.
Ans: a

O occurs at: 00 ;01 ;02 ;31 ;33 ;
M occurs at: 03 ;12 ;30 ;34 ;42 ;
E occurs at: 55 ;56 ;65 ;77 ;78 ;
N occurs at: 66 ;67 ;68 ;86 ;98 ;

### Question 5

The rows and columns of the left matrix have been labelled as 5, 6, 7, 8, 9 and G, H, I, J, K, whereas those of the right matrix are 0, 1, 2, 3, 4 and L, M, N, O, P. Find the correct row-column pairs out of these matrices that decode to the word - GTNX

 5 6 7 8 9 G G G G S S H T R G R 0 I T S T R G J 0 0 0 S 0 K R T S T R
 0 1 2 3 4 L X N 2 X N M 3 2 X 3 N N N N Q 3 Q O X Q 2 3 Q P Q X 2 3 2
A

H7, K6, L1, L3

B

G7, I7, N0, H7

C

G5, H5, L4, I7

D

I9, K8, N1, N0

Soln.
Ans: a

G occurs at: G5 ;G6 ;G7 ;H7 ;I9 ;
T occurs at: H5 ;I5 ;I7 ;K6 ;K8 ;
N occurs at: L1 ;L4 ;M4 ;N0 ;N1 ;
X occurs at: L0 ;L3 ;M2 ;O0 ;P1 ; 