SSC CGL Reasoning – Coding–Decoding – Tier II Level · Marathon

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SSC CGL Reasoning – Coding–Decoding – Tier II Level · Marathon – 10 questions, subject: General Intelligence & Reasoning. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.

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1.  

Directions (Q 36–37): Letters are coded as in the table.

Letter B D E G K M O R T U
Code 5 9 @ 3 1 8 # 2 6 %

Conditions: (i) If the first letter is a vowel and the last letter is a consonant, their codes are interchanged. (ii) If both the first and the last letters are consonants, the first letter takes the code of the last letter. In all other cases the table is used as it is.

Conditional codingWhat is the code for EKMTD?

Correct Answer: A [9186@]

Explanation:

First letter E is a vowel and last letter D a consonant → condition (i): swap the codes of E (@) and D (9): 9 1 8 6 @.

2.  
(Use the directions above – Q 36–37)
Conditional codingWhat is the code for GORUT?

Correct Answer: B [6#2%6]

Explanation:

G and T are both consonants → condition (ii): G takes the code of T (6): 6 # 2 % 6.

3.  
DecipheringIn a code, 'ta ri mo' means 'good books sell', 'ri ne ka zo' means 'books are very costly' and 'ka pu ta' means 'costly good watch'. The code for which word CANNOT be found for certain?

Correct Answer: A [are]

Explanation:

good = ta, books = ri, costly = ka; then sell = mo and watch = pu.

4.  
Letter codingIf HEART is coded as UTDIM, how is BRAIN coded?

Correct Answer: C [OKDVG]

Explanation:

Write the word backwards (TRAEH), then move the letters +1, +2, +3, +4, +5.

5.  
Number codingIf DOG is coded as 201223, how is PEN coded?

Correct Answer: D [132211]

Explanation:

Backward positions (Z = 1 … A = 26), read from the last letter: G = 20, O = 12, D = 23.

6.  
DecodingIn a code, each letter is moved 3 places forward and then the whole word is written backwards. Which word is written as HYDV?

Correct Answer: C [SAVE]

Explanation:

Undo in reverse order: write HYDV backwards (VDYH), then move each letter 3 back: S A V E.

7.  
Small & capital lettersIn a code, every letter is replaced by its opposite letter; letters in the 1st, 3rd, 5th … places are written in CAPITALS and the rest in small letters. How is PLANET written?

Correct Answer: B [KoZmVg]

Explanation:

Opposites: P→K, L→O, A→Z, N→M, E→V, T→G.

8.  
Number codingIf SUN = 266 and BOX = 48, then JAR = ?

Correct Answer: D [180]

Explanation:

First letter × last letter: 19 × 14 = 266, 2 × 24 = 48; J × R = 10 × 18 = 180.

9.  
Letter codingIf ORANGE is coded as PQBMFF, how is LEMON coded?

Correct Answer: A [KFLPM]

Explanation:

Vowels move 1 forward (O→P, A→B, E→F) and consonants 1 back (R→Q, N→M, G→F).

10.  
DecipheringIn a code, '5 3 1' means 'tea is hot', '1 9 4' means 'hot and cold', '4 6 3 2' means 'cold milk is tasty' and '2 5' means 'tasty tea'. Which digit stands for 'milk'?

Correct Answer: A [6]

Explanation:

hot = 1, cold = 4, is = 3, tea = 5, tasty = 2.

➤ Full notes, shortcuts and every answer explained – SSC CGL 2026 General Intelligence & Reasoning book (₹149): www.shanmugamiasacademy.in/study-materials/ssc-cgl-general-intelligence-reasoning

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