Coding – Decoding (SSC CHSL 2020 Tier 1)

Total Questions: 17

1. In a certain code language, SEMANTIC is coded as 104485293. How will PRACTICE be coded in that language? [S.S.C CHSL 12/04/2021 (Afternoon)]

(a) 29137934
(b) 79832934
(c) 79132935
(d) 81943145

Correct Answer: (b) 79832934

Solution:Sum of the alphabetical positioning of the consonant and the reverse alphabetical positioning of the vowels.
SEMANTIC → 19 - 22 - 13 - 26 - 14 - 20 - 18 - 3

On the sum of their digits 10 - 4 - 4 - 8 - 5 - 2 - 9 - 3

So, PRACTICE → 16 - 18 - 26 - 3 - 20 - 18 - 3 - 22
On the sum of their digits 7 - 9 - 8 - 3 - 2 - 9 - 3 - 4.

Hence, 79832934 is the correct answer.

2. In a certain code language, PROFANE is written as KOLCZKV. How will DISOBEY be written in that language? [S.S.C CHSL 13/04/2021 (Morning)]

(a) ARPLYVV
(b) WHGYLBB
(c) APRYLYV
(d) WFHLYBB

Correct Answer: (d) WFHLYBB

Solution:Alphabets at odd places are coded with the opposite alphabet and alphabets at even places are decreasing by 3.
PROFANE → (P ↔ K), (O ↔ L), (A ↔ Z), (E ↔ V) and (R - 3 = O), (F - 3 = C), (N - 3 = K)

So, the code for PROFANE is KOLCZKV

Similarly,

DISOBEY → (D ↔ W), (S ↔ H), (B ↔ Y), (Y ↔ B) and (I - 3 = F), (O - 3 = L), (E - 3 = B)
Hence, the code for DISOBEY is WFHLYBB.

3. In a certain code language, ROCKET is written as BNQSJD. How will NOTICE be written in that language? [S.S.C CHSL 13/04/2021 (Afternoon)]

(a) SNMDBH
(b) UPOFDJ
(c) SPMFBJ
(d) NMHSDJ

Correct Answer: (a) SNMDBH

Solution:According to the alphabetical positions of the letters,

Similarly,

Hence, SNMDBH is the correct answer.

4. In a certain code language, REASON is coded as 51 and BAKE is coded as 47. How will MARRY be coded in that language? [S.S.C CHSL 16/04/2021 (Morning)]

(a) 47
(b) 37
(c) 41
(d) 35

Correct Answer: (d) 35

Solution:Sum of reverse alphabetical positioning of consonants and alphabetical positioning of vowels.
REASON → 9 + 5 + 1 + 8 + 15 + 13 = 51

BAKE → 25 + 1 + 16 + 5 = 47

Similarly,

MARRY → 14 + 1 + 9 + 9 + 2 = 35.

5. In a certain code language, LIABILITY is coded as 950759513 and PROCTOR is coded as 8642146. How will PICTORIAL be coded in that language? [S.S.C CHSL 16/04/2021 (Afternoon)]

(a) 642158409
(b) 852146509
(c) 862145609
(d) 952461508

Correct Answer: (b) 852146509

Solution:For "LIABILITY"

For "PROCTOR"

Similarly, for "PICTORIAL"

Hence, 852146509 is the correct answer.

6. In a certain code language, INHALE is coded as 110 and DELAY is coded as 86. How will IGNORE be coded in that language? [S.S.C CHSL 19/04/2021 (Afternoon)]

(a) 93
(b) 95
(c) 91
(d) 94

Correct Answer: (c) 91

Solution:Sum of reverse alphabetical position of the letters - numbers of vowels.

INHALE → (18 + 13 + 19 + 26 + 15 + 22) = 113

Number of vowels in IGNORE = 3

So, 113 - 3 = 110

IGNORE → (18 + 20 + 13 + 12 + 9 + 22) = 94

Number of vowels in IGNORE = 3

So, 94 - 3 = 91

Hence, 91 is the correct answer.

7. If in a code language, ROHAN is coded as 3136 and SHYAM is coded as 4356, then how will you code RAM? [S.S.C CHSL 19/04/2021 (Evening)]

(a) 3412
(b) 2315
(c) 1234
(d) 1024

Correct Answer: (d) 1024

Solution:(Sum of the positional values of the letters)² = number

ROHAN → R(18) + O(15) + H(8) + A(1) + N(14) = 56 ⇒ (56)² = 3136

SHYAM → S(19) + H(8) + Y(25) + A(1) + M(13) = 66 ⇒ (66)² = 4356

Similarly,

RAM → R(18) + A(1) + M(13) = 32 ⇒ (32)² = 1024.

Hence, 1024 is the correct answer.

8. In a certain code language, BACK is written as YEXP and MIXTURE is written as NOCGAII. How will FROGS be written in that language? [S.S.C CHSL 04/08/2021 (Afternoon)]

(a) VIVTH
(b) UILTG
(c) UULTG
(d) UIUTH

Correct Answer: (d) UIUTH

Solution:Constants changed to their opposite letters & vowels to the next vowels in the alphabetical series as shown below,

Constant ⇔ their opposite letters.
Vowels ⇔ next vowels.
A → E → I → O → U.

And,

Similarly,

Hence, UIUTH is the correct answer.

9. In a certain code language, CANDIDATE is coded as 846292417 and ACTION is coded as 481936. How will DICTATION be coded in that language? [S.S.C CHSL 04/08/2021 (Evening)]

(a) 493212965
(b) 298242956
(c) 493212975
(d) 298141936

Correct Answer: (d) 298141936

Solution:The codes have been assigned as follow,

CANDIDATE →

ACTION →

Similarly,

DICTATION →

Hence, 298141936 is the correct answer.

10. In a certain code language, PROUD is written as WYJPK. How will GUILTY be written in that language? [S.S.C CHSL 04/08/2021 (Evening)]

(a) BPB0GT
(b) NDPASF
(c) NPDSAF
(d) BBPGOT

Correct Answer: (c) NPDSAF

Solution:The pattern followed here is

Constants are increased by +7
Vowels are decreased by -5

In the word "PROUD"
The code for the consonants are
(P + 7 = W), (R + 7 = Y), (D + 7 = K)
The code for the vowels are
(O - 5 = J), (U - 5 = P)
The final code for the word “PROUD” will be WYJPK.

Similarly,

In the word "GUILTY"
The code for the consonants are
(G + 7 = N), (L + 7 = S), (T + 7 = A), (Y + 7 = F)
The code for the vowels are
(U - 5 = P), (I - 5 = D)
The final code for the word “GUILTY” will be NPDSAF.

Hence, NPDSAF is the correct answer.

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Coding – Decoding (SSC CHSL 2020 Tier 1)

1. In a certain code language, SEMANTIC is coded as 104485293. How will PRACTICE be coded in that language? [S.S.C CHSL 12/04/2021 (Afternoon)]

2. In a certain code language, PROFANE is written as KOLCZKV. How will DISOBEY be written in that language? [S.S.C CHSL 13/04/2021 (Morning)]

3. In a certain code language, ROCKET is written as BNQSJD. How will NOTICE be written in that language? [S.S.C CHSL 13/04/2021 (Afternoon)]

4. In a certain code language, REASON is coded as 51 and BAKE is coded as 47. How will MARRY be coded in that language? [S.S.C CHSL 16/04/2021 (Morning)]

5. In a certain code language, LIABILITY is coded as 950759513 and PROCTOR is coded as 8642146. How will PICTORIAL be coded in that language? [S.S.C CHSL 16/04/2021 (Afternoon)]

6. In a certain code language, INHALE is coded as 110 and DELAY is coded as 86. How will IGNORE be coded in that language? [S.S.C CHSL 19/04/2021 (Afternoon)]

7. If in a code language, ROHAN is coded as 3136 and SHYAM is coded as 4356, then how will you code RAM? [S.S.C CHSL 19/04/2021 (Evening)]

8. In a certain code language, BACK is written as YEXP and MIXTURE is written as NOCGAII. How will FROGS be written in that language? [S.S.C CHSL 04/08/2021 (Afternoon)]

9. In a certain code language, CANDIDATE is coded as 846292417 and ACTION is coded as 481936. How will DICTATION be coded in that language? [S.S.C CHSL 04/08/2021 (Evening)]

10. In a certain code language, PROUD is written as WYJPK. How will GUILTY be written in that language? [S.S.C CHSL 04/08/2021 (Evening)]

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