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Coding – Decoding (SSC CPO 2020 Tier 1)

📆 November 18, 2024

Total Questions: 4

1. In a certain code language, if 'dish is tasty' is written as 'lam kam dam', 'it is sweet' is written as 'ram sam kam' and 'it ate dish' is written as 'ram dam pam', then how would 'tasty sweet' be written in this language? [S.S.C CPO 23/11/2020 (Evening)]

Correct Answer: (a) sam lam
Solution:

‘Tasty sweet’ will be written as ‘sam lam’

2. Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster. [S.S.C CPO 24/11/2020 (Morning)]

VOWEL : ZPAFP :: FRICK : ?

Correct Answer: (a) JVJGO
Solution:Consonant is coded by +4 and vowel by +1.
VOWEL → (V + 4 = Z), (O + 1 = P), (W + 4 = A), (E + 1 = F), (L + 4 = P) : ZPAFP

FRICK → (F + 4 = J), (R + 4 = V), (I + 1 = J), (C + 4 = G), (K + 4 = O) : JVJGO

3. In a certain coding system, if CHICANERY is written as DNODTHVKS, how will CRANE be written in the same coding system? [S.S.C CPO 25/11/2020 (Morning)]

Correct Answer: (a) DKTHV
Solution:Letters are directly coded as their corresponding letters.
C = D, R = K, A = T, N = H, E = V → DKTHV

4. In a certain coding system, 'SUBSTANCE' is coded as 101 and 'SUPREME' is coded as 94, then how will 'PORTRAIT' be coded in the same coding system? [S.S.C CPO 25/11/2020 (Evening)]

Correct Answer: (b) 114
Solution:Difference of sum of all alphabetical positions and number of vowels.
SUBSTANCE → {(19 + 21 + 2 + 19 + 20 + 1 + 14 + 3 + 5) - 3} = 101
SUPREME = {(19 + 21 + 16 + 18 + 5 + 13 + 5) - 3} = 94
Similarly,

PORTRAIT → {(16 + 15 + 18 + 20 + 18 + 1 + 9 + 20) - 3} = 114

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