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Question

In a certain code language, ‘bright as day’ is coded as ‘cb mn ju’ and ‘day and night’ is coded as ‘mn fd rs’. How is ‘day’ coded in the given language?

This question was previously asked in
RRB NTPC 2024 Undergraduate CBT 1 Question Paper (29-Aug-2025) (Shift 1)
The correct answer is

mn

Coding Logic Explained

This question is based on a type of logical reasoning problem where a specific code language is used to represent phrases. The task is to decipher the code for a particular word based on the examples provided.

We are given the following information:

  • The phrase 'bright as day' is coded as 'cb mn ju'.
  • The phrase 'day and night' is coded as 'mn fd rs'.

The objective is to determine the code for the word 'day'.

Decoding 'day' Using Comparison

To solve this, we need to compare the two given phrases and their corresponding codes to find common elements.

Original Phrases:

  • Phrase 1: 'bright as day'
  • Phrase 2: 'day and night'

Coded Phrases:

  • Code 1: 'cb mn ju'
  • Code 2: 'mn fd rs'

Let's identify the common word(s) between Phrase 1 and Phrase 2. The word 'day' is present in both phrases.

Now, let's identify the common code word(s) between Code 1 and Code 2. By comparing 'cb mn ju' and 'mn fd rs', we can see that the code word 'mn' is present in both.

Since 'day' is the only word that appears in both original phrases, and 'mn' is the only code that appears in both coded phrases, we can logically conclude that the word 'day' corresponds to the code 'mn'.

Therefore, in this given code language, 'day' is coded as 'mn'.

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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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