# Matrix Test Quiz Set 18

### 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 - CAFE

 0 1 2 3 4 0 A J L N A 1 A H A Z J 2 W C X W V 3 O A C V K 4 L C O C C
 5 6 7 8 9 5 J F J E N 6 E E F U K 7 F N E J H 8 F O Z T E 9 F L D P I
A

21, 12, 95, 65

B

44, 04, 75, 21

C

43, 00, 56, 04

D

41, 10, 67, 75

Soln.
Ans: a

C occurs at: 21 ;32 ;41 ;43 ;44 ;
A occurs at: 00 ;04 ;10 ;12 ;31 ;
F occurs at: 56 ;67 ;75 ;85 ;95 ;
E occurs at: 58 ;65 ;66 ;77 ;89 ;

### Question 2

The rows and columns of the left matrix have been labelled as 0, 1, 2, 3, 4 and J, K, L, M, N, whereas those of the right matrix are 5, 6, 7, 8, 9 and O, P, Q, R, S. Find the correct row-column pairs out of these matrices that decode to the word - B4MW

 0 1 2 3 4 J 9 9 4 B C K F 4 B 9 B L C 9 F B C M 9 F 4 F 4 N B C C F 4
 5 6 7 8 9 O W 1 M N W P M N M 1 P Q N P W W 1 R P M N W P S M N 1 P 1
A

N0, J2, P5, O9

B

L3, K1, P7, N0

C

J3, M2, S5, K1

D

K2, M4, O7, P7

Soln.
Ans: a

B occurs at: J3 ;K2 ;K4 ;L3 ;N0 ;
4 occurs at: J2 ;K1 ;M2 ;M4 ;N4 ;
M occurs at: O7 ;P5 ;P7 ;R6 ;S5 ;
W occurs at: O5 ;O9 ;Q7 ;Q8 ;R8 ;

### Question 3

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 - K75U

 G H I J K 0 S S K 7 0 1 7 7 0 S 0 2 B B 7 S 7 3 B K S K 0 4 K B B K 0
 L M N O P 5 L U E U L 6 U U L 5 E 7 E L E 5 U 8 2 E L 2 5 9 2 5 2 5 2
A

4J, 2I, 9M, 6L

B

0I, 0J, 7O, 4J

C

3J, 2K, 6O, 0J

D

4G, 1H, 8P, 7O

Soln.
Ans: a

K occurs at: 0I ;3H ;3J ;4G ;4J ;
7 occurs at: 0J ;1G ;1H ;2I ;2K ;
5 occurs at: 6O ;7O ;8P ;9M ;9O ;
U occurs at: 5M ;5O ;6L ;6M ;7P ;

### Question 4

The rows and columns of the left matrix have been labelled as 5, 6, 7, 8, 9 and I, J, K, L, M, whereas those of the right matrix are 0, 1, 2, 3, 4 and N, O, P, Q, R. Find the correct row-column pairs out of these matrices that decode to the word - VN7H

 5 6 7 8 9 I W V W N L J N V V L L K V W N N D L D W N W V M L D D D L
 0 1 2 3 4 N 9 H 7 9 Q O 7 9 M H H P Q Q 9 Q 7 Q Q M 9 7 H R M 7 M H M
A

K5, K7, P4, R3

B

J7, K8, Q3, K5

C

J6, L7, N2, K8

D

I6, I8, R1, Q3

Soln.
Ans: a

V occurs at: I6 ;J6 ;J7 ;K5 ;L9 ;
N occurs at: I8 ;J5 ;K7 ;K8 ;L7 ;
7 occurs at: N2 ;O0 ;P4 ;Q3 ;R1 ;
H occurs at: N1 ;O3 ;O4 ;Q4 ;R3 ;

### Question 5

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 - BACK

 0 1 2 3 4 0 E L A F H 1 Z Y D B I 2 S A B B O 3 E G B O H 4 A A A E B
 5 6 7 8 9 5 I K C H T 6 U C V D K 7 U C P V C 8 K X D K C 9 K O O D U
A

22, 40, 89, 95

B

32, 02, 76, 22

C

13, 21, 79, 02

D

23, 41, 57, 76

Soln.
Ans: a

B occurs at: 13 ;22 ;23 ;32 ;44 ;
A occurs at: 02 ;21 ;40 ;41 ;42 ;
C occurs at: 57 ;66 ;76 ;79 ;89 ;
K occurs at: 56 ;69 ;85 ;88 ;95 ; 