Coding & Decoding; Logic & Inferencing practice

Letter, number and matrix coding, symbol substitution, cryptarithmetic and alphametics. The exam staple where a rule is applied to letters or digits and you reverse-engineer it. Write out the alphabet positions (A=1…Z=26) before starting — most codes are positional shifts, reversals, or pair swaps.

8 practice questions(of 31 in the full bank)

Question 1Easy

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Question 2Easy

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Question 3Easy

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Question 4Easy

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Question 5Medium

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Question 6Medium

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Question 7Medium

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Question 8Medium

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More Logic & Inferencing topics

Series, Analogies & Odd-One-Out Non-Verbal & Figure Reasoning Logical Data & Optimization Puzzles & Arrangements Venn Diagrams & Syllogisms Calendars, Clocks & Ages Direction Sense Applied Arithmetic Puzzles