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Reasoning Aptitude

CODING AND DECODING MCQs

Coding-Decoding

Total Questions : 673 | Page 8 of 68 pages
Question 71.
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?
  1.    &KEFM@
  2.    &KEFM&
  3.    AKEFM@
  4.    AKEFM&
  5.    None of these
 Discuss Question
Answer: Option B. -> &KEFM&
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&.
Question 72.
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?
  1.    XFBRK@
  2.    EFBR#K
  3.    EFBRK@
  4.    EFB#K@
  5.    None of these
 Discuss Question
Answer: Option C. -> EFBRK@
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@.
Question 73.
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?
  1.    X%*BAR
  2.    E%*BA#
  3.    E%*BAR
  4.    X%*BA#
  5.    None of these
 Discuss Question
Answer: Option B. -> E%*BA#
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#.
Question 74.
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'.
  1.    gokk
  2.    kgok
  3.    gkko
  4.    kogk
 Discuss Question
Answer: Option C. -> gkko
Answer: (c)
We have, W → g O → k O → k D → o
Therefore, WOOD ⇒ gkko
Question 75.
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'.
  1.    pbjakv
  2.    pbjavk
  3.    bpjakv
  4.    bpajkv
 Discuss Question
Answer: Option A. -> pbjakv
Answer: (a)
We have, S → p E → b C → j T → a O → k R → v
Therefore, SECTOR ⇒ pbjakv
Question 76.
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
  1.    avmbj
  2.    avjmb
  3.    vajmb
  4.    avmjb
 Discuss Question
Answer: Option D. -> avmjb
Answer: (d)
We have, T → a R → v U → m C → j E → b
Therefore, TRUCE ⇒ avmjb
Question 77.
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'?
  1.    ilambv
  2.    ilmabv
  3.    limabv
  4.    ilamvb
 Discuss Question
Answer: Option D. -> ilamvb
Answer: (d)
We have, N → i A → l T → a U → m R → v E → b
Therefore, NATURE ⇒ ilamvb
Question 78.
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'.
  1.    avmb
  2.    mvba
  3.    vbam
  4.    ambv
 Discuss Question
Answer: Option A. -> avmb
Answer: (a)
We have, T → a R → v U → m E → b
Therefore, TRUE ⇒ avmb
Question 79.
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'.
  1.    kpvb
  2.    vkpb
  3.    vkbp
  4.    bpkv
 Discuss Question
Answer: Option B. -> vkpb
Answer: (b)
We have, R → v O → k S → p E → b
Therefore, ROSE ⇒ vkpb
Question 80.
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'?
  1.    okjavk
  2.    jkoavk
  3.    okjakv
  4.    kojatrv
 Discuss Question
Answer: Option C. -> okjakv
Answer: (c)
We have, D → o O → k C → j T → a O → k R → v
Therefore, DOCTOR ⇒ okjakv

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