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

Directions:

In each of the following questions, 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 the two given matrices. The columns and rows of Matrix I are numbered from 0 to 4 and those of Matrix II from 5 to 9.

A letter from these matrices can be represented first by its row and then the column number e.g., in the Matrices I & II, 'S' can be represented by 02,14, etc.; 'K' can be represented by 58,65, etc.; Similarly you have to identify the correct set for the word given in each question.

Matrix I
0 1 2 3 4
0 A E S T H
1 T H A E S
2 E S T H A
3 H A E S T
4 S T H A E

Matrix II
5 6 7 8 9
5 P O R K L
6 K L P O R
7 O R K L P
8 L P O R K
9 R K L P O
[S.S.C 2002]

Question : 16

Find the representation of ROSE?

a) 86, 67, 33, 44

b) 95, 75, 02, 32

c) 57, 87, 32, 33

d) 88, 76, 31, 32

Answer: (b)

From matrix II,

R can be coded as 57, 69, 76, 88, or 95.

From matrix II,

O can be coded as 56, 68, 75, 87, or 99.

From matrix I,

S can be coded as 02, 14, 21, 33, or 40.

From matrix I,

E can be coded as 01, 13, 20, 32, or 44.

Question : 17

Find the representation of LAKE?

a) 85, 31, 77, 44

b) 77, 43, 76, 31

c) 66, 12, 58, 40

d) 97, 00, 77, 12

Answer: (a)

From matrix II,

L can be coded as 59, 66, 78, 85 or 97.

From matrix I,

A can be coded as 00, 12, 24, 31 or 43.

From matrix II,

K can be coded as 58, 65, 77, 89 or 96.

From matrix I,

E can be coded as 01, 13, 20, 32 or 44.

Question : 18

Find the representation of EAST?

a) 20, 43, 33, 11

b) 44, 32, 21, 03

c) 13, 12, 14, 10

d) 32, 31, 02, 04

Answer: (c)

From matrix I,

E can be coded as 01, 13, 20, 32 or 44.

From matrix I,

A can be coded as 00, 12, 24, 31 or 43.

From matrix I,

S can be coded as 02, 14, 21, 33 or 40.

From matrix I,

T can be coded as 03, 10, 22, 34 or 41.

Question : 19

Find the representation of LEST?

a) 66, 00, 20, 34

b) 85, 02, 04, 22

c) 87, 32, 21, 31

d) 97, 32, 21, 34

Answer: (d)

From matrix II,

L can be coded as 59, 66, 78, 85 or 97.

From matrix I,

E can be coded as 01, 13, 20, 32 or 44.

From matrix I,

S can be coded as 02, 14, 21, 33 or 40.

From matrix I,

T can be coded as 03, 10, 22, 34 or 41.

Question : 20

Find the representation of SOLE?

a) 33, 99, 66, 44

b) 41, 57, 87, 31

c) 02, 78, 87, 13

d) 21, 75, 44, 02

Answer: (a)

From matrix I,

S can be coded as 02, 14, 21, 33 or 40.

From matrix II,

O can be coded as 56, 68, 75, 87 or 99. 

From matrix II,

L can be coded as 59, 66, 78, 85 or 97. 

From matrix I,

E can be coded as 01, 13, 20, 32 or 44.

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