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Question

In a certain code language, ‘BREW’ is coded as ‘8135’ and ‘WEAR’ is coded as ‘3915’. What is the code for ‘A’ in the given code language?

This question was previously asked in
RRB ALP 2025 CBT 2 Wiremen Question Paper (28-Jul-2026) (Shift 2)
The correct answer is
9

Coding Logic for BREW and WEAR

This question involves finding the code for a specific letter based on given coded words. We analyze the letters and their corresponding digits in the provided examples.

Step-by-Step Decoding

  1. Analyze Given Codes:

    'BREW' corresponds to '8135'.

    'WEAR' corresponds to '3915'.

  2. Compare Letters and Digits:

    Common letters in 'BREW' and 'WEAR' are R, E, W.

    Common digits in '8135' and '3915' are 1, 3, 5.

    Therefore, the letters {R, E, W} map to the digits {1, 3, 5} in some order.

  3. Identify Unique Mappings:

    The letter 'B' is unique to 'BREW', and the digit '8' is unique to '8135'. This establishes B = 8.

    The letter 'A' is unique to 'WEAR', and the digit '9' is unique to '3915'. This establishes A = 9.

  4. Determine Code for 'A':

    Based on the unique letter-digit correspondence identified in the previous step, the code for the letter 'A' is 9.

Final Code for A

The code for 'A' is derived by comparing the unique elements between the given words and their codes. The letter 'A' uniquely corresponds to the digit '9'.

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Important Questions from Coding decoding

  1. The letters from A to Z are numbered from 1 to 26 respectively. If GHI = 1578 and DEF = 912, then what is ABC equal to?

  2. What is the missing term in the following? ACPQ : BESU:: MNGI: @

  3. what is the largest number among the following?

  4. What is the greatest length x such that 3 ½ m and 8 ¾ m are integral multiples of x?

  5. In a certain code, '256' means 'red colour chalk', '589' means 'green colour flower' and '254' means 'white colour chalk'. The digit in the code that indicates `white' is

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