SSC CGL Reasoning – Coding–Decoding – Level 3 · Challenge
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COLD and GOLD share O, L, D and the digits 2, 9, 4, so C = 7 and G = 5.
SSC CGL Reasoning – Coding–Decoding – Level 3 · Challenge – 8 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.
DecipheringIn a code language, 'lo ki pa' means 'sun is bright', 'ki mo ra' means 'moon is cool', 'pa ne ra' means 'bright and cool' and 'su mo' means 'full moon'. What is the code for 'and'?
Correct Answer: D [ne]
Explanation:
bright = pa (sentences 1, 3), cool = ra (2, 3).
2.
Letter codingIf WATER is coded as VYQAM, how is FLOWER coded?
Correct Answer: A [EJLSZL]
Explanation:
The letters move −1, −2, −3, −4, −5 (and −6 for the sixth letter): F→E, L→J, O→L, W→S, E→Z, R→L.
3.
DecodingIn a code, every letter is replaced by its opposite letter (A↔Z, B↔Y …). Which word is written as HLFIXV?
Correct Answer: D [SOURCE]
Explanation:
Opposites again: H↔S, L↔O, F↔U, I↔R, X↔C, V↔E → SOURCE.
4.
Number codingIf FAN is coded as 28212, how is BED coded?
Correct Answer: B [8104]
Explanation:
Each position is doubled and the word is read from the end: N = 14 × 2 = 28, A = 2, F = 12 → 28 2 12.
5.
Small & capital lettersIn a code, every vowel is written as the NEXT letter in CAPITALS and every consonant as the PREVIOUS letter in small letters. How is GATE written?
Correct Answer: C [fBsF]
Explanation:
G → f (small), A → B (capital), T → s (small), E → F (capital).
6.
Matrix codingUsing the same two matrices (row number, then column number), which set of numbers can represent PLANET?
Correct Answer: B [99, 33, 40, 01, 67, 87]
Explanation:
Check pair by pair: only the correct set spells P, L, A, N, E, T; every other set has one pair that gives another letter.
7.
Assertion–ReasonAssertion (A): If a word is coded by replacing each letter with its opposite letter, coding the code again gives back the word.
Reason (R): The opposite of the opposite of a letter is the letter itself, because 27 − (27 − p) = p.
Reason (R): The opposite of the opposite of a letter is the letter itself, because 27 − (27 − p) = p.
Correct Answer: D [Both A and R are true and R explains A]
Explanation:
Example: CAT → XZG → CAT. R gives exactly the reason.
8.
Digit code (any order)In a code language the digits of a code may be in any order. COLD = 7294, GOLD = 5492 and GOAL = 8259. What is the code for A?
Correct Answer: C [8]
Explanation:
COLD and GOLD share O, L, D and the digits 2, 9, 4, so C = 7 and G = 5.
➤ 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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