type 11 matrix coding & decoding Practice Questions Answers Test with Solutions & More Shortcuts

coding & decoding PRACTICE TEST [12 - EXERCISES]

type 1 opposite letter coding & decoding

type 2 left/right letter coding & decoding

type 3 letter rearrangement coding & decoding

type 4 alphabet replacement coding & decoding

type 5 word substitution coding & decoding

type 6 letter number coding & decoding

type 7 symbol coding & decoding

type 8 fictitious word, number, symbol coding & decoding

type 9 jumbled coding & decoding

type 10 conditional coding & decoding

type 11 matrix coding & decoding

type 12 comparison coding & decoding

Question : 6 [S.S.C. (Multitasking) 2013]

A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II is numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column. e.g., 'I' can be represented by 03, 22, etc., and 'R' can be represented by 57, 68, etc. Similarly, you have to identify the set for the word 'BALD'.

Matrix I
  0 1 2 3 4
0 B T D I F
1 I D B F T
2 F B I T D
3 T I F D B
4 D F T B I
 
Matrix II
  5 6 7 8 9
5 A L R E K
6 K A L R E
7 E K A L R
8 R E K A L
9 L R E K A

a) 12, 99, 65, 24

b) 21, 88, 95, 24

c) 43, 55, 67, 04

d) 34, 77, 76, 42

Shortcut »

Answer: (b)

According to the matrices,

B - 00, 12, 21, 34, 43

A - 55, 66, 77, 88, 99

L- 56, 67, 78, 89, 95

D- 02, 11, 24, 33, 40

Therefore, BALD ⇒ 21, 88, 65, 24.

Question : 7 [S.S.C. (10+2) 2011]

A word is represented by only one set of numbers as given in any one of the alternatives. The set of numbers given in the alternatives are represented by two classes of alphabets as in two matrices, given below. The columns and rows of matrix I am numbered from 0 to 3 and that of matrix II is numbered from 4 to 7. A letter from these matrices can be represented first by its row and next by its column. e.g., 'A' can be represented by 00, 76, and 'S' can be represented by 11, 66. Identify the set for the word ' Identify the representation of PUSH?

Matrix I
  0 1 2 3
0 A D G H
1 P S V Z
2 C F I M
3 T L E Q
 
Matrix II
  4 5 6 7
4 R U B O
5 N W J X
6 T K S G
7 I H A F

a) 10, 66, 45, 03

b) 30, 11, 54, 10

c) 10, 45, 66, 75

d) 01, 54, 66, 57

Shortcut »

Answer: (c)

According to the matrices,

P - 10

U - 45

S - 11, 66

H - 03, 75

therefore, PUSH ⇒ 10, 45, 66, 75.

Question : 8 [S.S.C. (Multitasking) 2014]

A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of the matrix I am numbered from 0 to 4 and that of Matrix II is numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column. e.g., 'E' can be represented by 00, 13, 32, etc., and 'S' can be represented by 55, 76, 87, etc. Similarly, you have to identify the set for the word 'CART'.

Matrix I
  0 1 2 3 4
0 E A R W P
1 W P A E R
2 A W P R E
3 P R E A W
4 R E W P A
   
Matrix II
  5 6 7 8 9
5 S B K T C
6 B C T K S
7 T S C B K
8 K T S C B
9 C K B S T

a) 65, 33, 40, 86

b) 66, 12, 40, 58

c) 88, 44, 31, 89

d) 59, 20, 32, 89

Shortcut »

Answer: (b)

According to the matrices,

C - 59, 66, 77, 88, 95

A - 01, 12, 20, 33, 44

R - 02, 14, 23, 31, 40

T - 58, 67, 75, 86, 89

therefore, CART ⇒ 66, 12, 40, 58

Question : 9 [S.S.C. (C G L) April 2014]

A word is represented by only one set of numbers given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II is numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column. e.g., 'M' can be represented by 42, 31, etc. Similarly, you have to identify the set for the word 'ROST'.

Matrix I
  0 1 2 3 4
4 K L M N O
3 L M K O N
2 N O L M K
1 M N O K L
0 O K N L M
 
Matrix II
  5 6 7 8 9
9 P Q R S T
8 T S Q P R
7 R T S Q P
6 S P T R Q
5 Q R P T S

a) 68, 33, 65, 58

b) 56, 44, 67, 40

c) 97, 21, 66, 29

d) 75, 00, 10, 92

Shortcut »

Answer: (a)

According to the matrices,

R - 97, 89, 75, 68, 56

O - 44, 33, 21, 12, 00

S - 98, 86, 77, 65, 59

T - 99, 85, 76, 67, 58

therefore, ROST ⇒ 68, 33, 65, 58

Question : 10 [S.S.S. (Steno) 2013]

A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II is numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column. e.g., 'A' can be represented by 01, 13, etc., and 'E' can be represented by 56, 67. etc. Similarly, you have to identify the set for the word 'BOTH'.

Matrix I
  0 1 2 3 4
0 F A N O I
1 I O F A N
2 A N O I F
3 O F I N A
4 N I A F O
 
Matrix II
  5 6 7 8 9
5 S E H B T
6 H S E T B
7 B T S E H
8 E H T B S
9 T S E H B

a) 88, 30, 85, 86

b) 58, 02, 68, 65

c) 69, 67, 68, 59

d) 75, 22, 76, 79

Shortcut »

Answer: (d)

According to the matrices,

B- 58, 69, 75, 88, 99

O- 03, 11, 22, 30, 44

T - 59, 68, 76, 87, 95

H - 57, 65, 79, 86, 98

therefore, BOTH ⇒ 75, 22, 76, 79.

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