Coding – Decoding (SSC CHSL 2021 Tier 1)

Total Questions: 19

1. In a certain code language, ‘RAIN’ is written as ‘182915’ and ‘SUN’ is written as ‘192214’. How will ‘MOON’ be written in that language? [S.S.C CHSL 24/05/2022 (Morning)]

Correct Answer: (c) 13161515
Solution:(Letters at odd places → Place value of the alphabet),  (letters at even places → place value of the alphabet +1)
RAIN = (R = 18), {(A = 1) → (1 + 1)}, (I = 9), {(N = 14) → (14 + 1)} ⇒ 18 - 2 - 9 - 15
SUN = (S = 19), {(U = 21) → (21+ 1)}, (N = 14) ⇒ 19 - 22 - 14
Similarly,

MOON = (M = 13), {(O = 15) → (15+ 1)}, (O = 15), {(N = 14) → (14 + 1)} = 13 - 16 - 15 - 15

2. In a certain code language, ‘APPROACH’ is written as ‘116161815138’ and ‘APPROVAL’ is written as ‘11616181522112’. How will ‘POOL’ be written in that language? [S.S.C CHSL 24/05/2022 (Morning)]

Correct Answer: (c) 16151512
Solution:Each letter is replaced by its place value in the alphabet.
APPROACH → 1 - 16 - 16 - 18 - 15 - 1 - 3 - 8 = 116161815138
APPROVAL → 1 - 16 - 16 - 18 - 15 - 22 - 1 - 12 = 11616181522112
Similarly,

POOL → 16 - 15 - 15 - 12 = 16151512

3. In a certain code language, ‘ADVISORY’ is written as ‘BFYMRMOU’ and ‘CHAMPION’ is written as ‘DJDQOGLJ’. How will ‘DESIGNER’ be written in that language? [S.S.C CHSL 24/05/2022 (Evening)]

Correct Answer: (c) EGVMFLBN
Solution:

4. In a certain code language, ‘DANCE’ is written as ‘ADNEC’ and ‘DISCO’ is written as ‘IDSOC’. How will ‘DREAM’ be written in that language? [S.S.C CHSL 26/05/2022 (Morning)]

Correct Answer: (d) RDEMA
Solution:

5. In a certain code language, ‘MUSIC’ is written as ‘LNTVRTHJBD’ and ‘VIOLIN’ is written as ‘UWHJNPKMHJMO’. How will ‘CHORD’ be written in that language? [S.S.C CHSL 27/05/2022 (Evening)]

Correct Answer: (b) BDGINPQSCE
Solution:Each letter is replaced by the letters adjacent to it. For instance, B is replaced by AC, E is replaced by DF.
MUSIC → LN - TV - RT - HJ - BD = LNTVRTHJBD
VIOLIN → UW - HJ - NP - KM - HJ - MO = UWHJNPKMHJMO
Similarly,

CHORD → BD - GI - NP - QS - CE = BDGINPQSCE

6. In a certain code language, ‘CHOICE’ is written as ‘OHCECI’ and ‘DEMAND’ is written as ‘MEDDNA’. How will ‘EXPECT’ be written in that language? [S.S.C CHSL 30/05/2022 (Morning)]

Correct Answer: (c) PXETCE
Solution:

7. In a certain code language, ‘NOPE’ is coded as ‘100’ and ‘EGG’ is coded as ‘38’. How will ‘LAP’ be coded in that language? [S.S.C CHSL 31/05/2022 (Morning)]

Correct Answer: (d) 58
Solution:Sum of place value of letters in alphabet × 2
NOPE → {(14 + 15 + 16 + 5) × 2} = 100
EGG → {(5 + 7 + 7) × 2} = 38
Similarly,

LAP → {(12 + 1 + 16) × 2} = 58

8. In a certain code language, ‘ABROAD’ is written as ‘BDUNYA’ and ‘BECAME’ is written as ‘CGFZKB’. How will ‘CANCER’ be written in that language? [S.S.C CHSL 31/05/2022 (Afternoon)]

Correct Answer: (d) DCQBCO
Solution:

9. In a certain code language, ‘DIVIDE’ is coded as ‘7 17 43 17 7 9’ and ‘SUBTRACT’ is coded as ‘37 41 3 39 35 1 5 39’. How will ‘ADDITION’ be coded in that language? [S.S.C CHSL 31/05/2022 (Evening)]

Correct Answer: (d) 1 7 7 17 39 17 29 27
Solution:

10. In a certain code language, ‘FLUTE’ is written as ‘VGFOU’ and ‘EXILE’ is written as 'VORCV'. How will 'BLOOD' be written in that language? [S.S.C CHSL 01/06/2022 (Afternoon)]

Correct Answer: (b) WLLOY
Solution:Each letter is replaced by the opposite letter in the order given below.