Reasoning Aptitude
CODING AND DECODING MCQs
Coding-Decoding
Directions:
In each of the questions below, a group of numerals is given followed by four groups symbol/letter combinations labelled (a), (b), (c) and (d). Numerals are to be coded as per the codes and conditions given below.
You have to find out which of the combinations (a), (b), (c) and (d) is correct and indicate your answer accordingly. If none of the four combinations represents the correct code, mark (e) as your answer.
Numerals
3
5
7
4
2
6
8
1
0
9
Letter/symbol code
*
B
E
A
@
F
K
%
R
M
If the first digit, as well as the last digit is odd, both are to be coded as 'X'.
If the first digit as well as the last digit is even, both are to be coded as &.
If the last digit is 0, it is to be coded as #.
Decode this 487692 using the above-given language?
Answer: (b)
When the condition is not applied, the coding is done as follows.
4 → A, 8 → K, 7 → E, 6 → F, 9 → M, 2 → @.
But here the first and the last digits are even, therefore condition (ii) is applied here.
As condition (ii) is applied here, 4 and 2 will be coded as &.
4 → &, 8 → 8, 7 → E, 6 → F, 9 → M, 2 →&.
Hence, code for 487692 ⇒ &KEFM&.
Directions:
In each of the questions below, a group of numerals is given followed by four groups symbol/letter combinations labelled (a), (b), (c) and (d). Numerals are to be coded as per the codes and conditions given below.
You have to find out which of the combinations (a), (b), (c) and (d) is correct and indicate your answer accordingly. If none of the four combinations represents the correct code, mark (e) as your answer.
Numerals
3
5
7
4
2
6
8
1
0
9
Letter/symbol code
*
B
E
A
@
F
K
%
R
M
If the first digit, as well as the last digit is odd, both are to be coded as 'X'.
If the first digit as well as the last digit is even, both are to be coded as &.
If the last digit is 0, it is to be coded as #.
Decode this 765082 using the above-given language?
Answer: (c)
Here, none of the condition is applied,
so the coding will be done as follows.
7 → E 6 → F 5 → B 0 → R 8 → K 2 → @
Hence, code for 765082 ⇒ EFBRK@.
Directions:
In each of the questions below, a group of numerals is given followed by four groups symbol/letter combinations labelled (a), (b), (c) and (d). Numerals are to be coded as per the codes and conditions given below.
You have to find out which of the combinations (a), (b), (c) and (d) is correct and indicate your answer accordingly. If none of the four combinations represents the correct code, mark (e) as your answer.
Numerals
3
5
7
4
2
6
8
1
0
9
Letter/symbol code
*
B
E
A
@
F
K
%
R
M
If the first digit, as well as the last digit is odd, both are to be coded as 'X'.
If the first digit as well as the last digit is even, both are to be coded as &.
If the last digit is 0, it is to be coded as #.
Decode this 713540 using the above-given language?
Answer: (b)
When condition is not applied, the coding is done as follows.
7 → E 1 → % 3 → * 5 → B 4 → A 0 → R
But here the last digit is 0, therefore condition (iii) is applied here.
As condition (iii) is applied here,
0 will be coded as # 7 → E 1 → % 3 → * 5 → B 4 → A 0 → #
Hence, code for 713540 ⇒ E%*BA#.
Directions:
Read the following information to answer the questions that follow.
According to a code language, words in capital letters in Column I are written small letters in Column II. The letters in Column II are jumbled up. Decode the languange and choose the correct code for the word given in each questions.
Column I
Column II
(1) CROWDY
(A) blooppv
(2) CRONY
(B) jkgotv
(3) NET
(C) ijktv
(4) CRUX
(D) ikmop
(5) ADDRESS
(E) cjmv
(6) SOUND
(F) abi
Find the code for 'WOOD'.
Answer: (c)
We have, W → g O → k O → k D → o
Therefore, WOOD ⇒ gkko
Directions:
Read the following information to answer the questions that follow.
According to a code language, words in capital letters in Column I are written small letters in Column II. The letters in Column II are jumbled up. Decode the languange and choose the correct code for the word given in each questions.
Column I
Column II
(1) CROWDY
(A) blooppv
(2) CRONY
(B) jkgotv
(3) NET
(C) ijktv
(4) CRUX
(D) ikmop
(5) ADDRESS
(E) cjmv
(6) SOUND
(F) abi
Find the code for 'SECTOR'.
Answer: (a)
We have, S → p E → b C → j T → a O → k R → v
Therefore, SECTOR ⇒ pbjakv
Directions:
Read the following information to answer the questions that follow.
According to a code language, words in capital letters in Column I are written small letters in Column II. The letters in Column II are jumbled up. Decode the languange and choose the correct code for the word given in each questions.
Column I
Column II
(1) CROWDY
(A) blooppv
(2) CRONY
(B) jkgotv
(3) NET
(C) ijktv
(4) CRUX
(D) ikmop
(5) ADDRESS
(E) cjmv
(6) SOUND
(F) abi
The code for 'TRUCE' is
Answer: (d)
We have, T → a R → v U → m C → j E → b
Therefore, TRUCE ⇒ avmjb
Directions:
Read the following information to answer the questions that follow.
According to a code language, words in capital letters in Column I are written small letters in Column II. The letters in Column II are jumbled up. Decode the languange and choose the correct code for the word given in each questions.
Column I
Column II
(1) CROWDY
(A) blooppv
(2) CRONY
(B) jkgotv
(3) NET
(C) ijktv
(4) CRUX
(D) ikmop
(5) ADDRESS
(E) cjmv
(6) SOUND
(F) abi
What is the code for 'NATURE'?
Answer: (d)
We have, N → i A → l T → a U → m R → v E → b
Therefore, NATURE ⇒ ilamvb
Directions:
Read the following information to answer the questions that follow.
According to a code language, words in capital letters in Column I are written small letters in Column II. The letters in Column II are jumbled up. Decode the languange and choose the correct code for the word given in each questions.
Column I
Column II
(1) CROWDY
(A) blooppv
(2) CRONY
(B) jkgotv
(3) NET
(C) ijktv
(4) CRUX
(D) ikmop
(5) ADDRESS
(E) cjmv
(6) SOUND
(F) abi
Find the code for 'TRUE'.
Answer: (a)
We have, T → a R → v U → m E → b
Therefore, TRUE ⇒ avmb
Directions:
Read the following information to answer the questions that follow.
According to a code language, words in capital letters in Column I are written small letters in Column II. The letters in Column II are jumbled up. Decode the languange and choose the correct code for the word given in each questions.
Column I
Column II
(1) CROWDY
(A) blooppv
(2) CRONY
(B) jkgotv
(3) NET
(C) ijktv
(4) CRUX
(D) ikmop
(5) ADDRESS
(E) cjmv
(6) SOUND
(F) abi
…........ stands for 'ROSE'.
Answer: (b)
We have, R → v O → k S → p E → b
Therefore, ROSE ⇒ vkpb
Directions:
Read the following information to answer the questions that follow.
According to a code language, words in capital letters in Column I are written small letters in Column II. The letters in Column II are jumbled up. Decode the languange and choose the correct code for the word given in each questions.
Column I
Column II
(1) CROWDY
(A) blooppv
(2) CRONY
(B) jkgotv
(3) NET
(C) ijktv
(4) CRUX
(D) ikmop
(5) ADDRESS
(E) cjmv
(6) SOUND
(F) abi
Which one of the following options is the code for 'DOCTOR'?
Answer: (c)
We have, D → o O → k C → j T → a O → k R → v
Therefore, DOCTOR ⇒ okjakv