alleryStart learning →SSC CGL · Letter-Number Codes
Read exercise and reference answers
- Matching pairs
- Left
- A
- Right
- 1
- Left
- E
- Right
- 5
- Left
- J
- Right
- 10
- Left
- O
- Right
- 15
- Left
- T
- Right
- 20
- Left
- Z
- Right
- 26
- Instructions
- Match each letter to its position in the English alphabet.
UIIC AO Coding Decoding — practice questions
Explore 22 free Coding Decoding questions in UIIC AO Reasoning. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 1–22 of 22.
SSC CGL · Letter-Number CodesRead the answer and worked solution →SSC CGL · Coding-Decoding — Tap in OrderRead the answer and worked solution →True or false: Coding-Decoding rulesRead the answer and worked solution →Tap in order: how to solve a Coding-Decoding questionRead the answer and worked solution →Tap in order: steps to solve a Coding-Decoding questionRead the answer and worked solution →If CAT is coded as DBU, how is DOG coded?Read the answer and worked solution →In a code, MARK is written as 13-1-18-11. How is LEAF written?Read the answer and worked solution →If 'TIME' is coded as 'SHLD', how is 'WORD' coded?Read the answer and worked solution →If A=1, B=2, C=3 … then PEN = ?Read the answer and worked solution →If 'ZEBRA' is coded as '26-5-2-18-1', how is 'HORSE' coded?Read the answer and worked solution →In a code, 'WATER' is coded as 'XBUFS'. How is 'PAPER' coded?Read the answer and worked solution →If 'BOOK' is coded as 'CPPL', then 'PEN' is coded as:Read the answer and worked solution →If 'LIGHT' is coded as '20-8-7-9-12' (reversing), then 'NIGHT' is coded as:Read the answer and worked solution →In a certain code, MONEY = 57162. What is the code for HONEY using same scheme?Read the answer and worked solution →If 'BLACK' is written as 'YOZXP' (each letter replaced by mirror image in alphabet, A↔Z, B↔Y), how is 'WHITE' written?Read the answer and worked solution →If 'SIN' = 32 and 'TAN' = 35, then 'COS' is:Read the answer and worked solution →Encoding rule: each digit replaced by its successor (1→2, 9→0). Encode '15847'.Read the answer and worked solution →If 'PALE' is coded by writing each letter in reverse (ELAP), then 'BIRD' is coded as:Read the answer and worked solution →If 'NICK' is coded as 'MJBL' (each letter shifted: N→M, I→J, C→B, K→L — alternating ±1), then 'JOHN' is coded as:Read the answer and worked solution →If 'RED' is coded as 'EDR' (rotate first letter to end), how is 'YELLOW' coded?Read the answer and worked solution →Match letters to alphabet numbersRead the answer and worked solution →Spot the slip in each codeRead the answer and worked solution →
Worked practice questions
SSC CGL · Coding-Decoding — Tap in Order
Read exercise and reference answers
- Steps
- Compare given word with its code letter-by-letter
- Find the shift / pattern (e.g. +2 letters)
- Apply the same shift to the new word
- Verify by reverse-decoding the produced code
- Instructions
- Tap each step of the coding-decoding solution in order.
True or false: Coding-Decoding rules
Read exercise and reference answers
- Questions
- Statement is true
- Yes
- Statement
- In a +1 letter code, MYSTIFY becomes NZTUJGZ.
- Statement is true
- Yes
- Statement
- Number coding always uses the position of letter in the alphabet (A=1...Z=26).
- Statement is true
- Yes
- Statement
- Substitution coding replaces a word with a completely unrelated word.
- Statement is true
- No
- Statement
- In a -1 letter shift, the letter A becomes B.
How to practise
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