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Question

In a certain code language, ‘NICE’ is coded as ‘2468’ and ‘CARS’ is coded as ‘2357’, What is the code for 'C’ in the given code language?

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

2

Finding the Code for 'C'

This problem asks us to figure out the numerical code for the letter 'C' using a specific coding language. We are given two examples:

  • The word 'NICE' is coded as '2468'.
  • The word 'CARS' is coded as '2357'.

Our goal is to identify the digit that represents 'C' based on these provided coded words.

Analyzing Letter-to-Digit Codes

Let's examine each example to understand the potential mapping between letters and digits:

NICE Code Analysis

In the first example, the word 'NICE' corresponds to the code '2468'. By matching the position of each letter to the position of each digit, we can infer a possible mapping:

N 2
I 4
C 6
E 8

CARS Code Analysis

In the second example, the word 'CARS' corresponds to the code '2357'. Similarly, matching the letters to the digits gives us another potential mapping:

C 2
A 3
R 5
S 7

Code Determination for 'C'

Looking at both analyses, we notice that the letter 'C' appears in both words but seems to have different codes:

  • From the analysis of 'NICE', 'C' is associated with the digit 6.
  • From the analysis of 'CARS', 'C' is associated with the digit 2.

Coding and decoding questions sometimes present such scenarios. The most common interpretation is to rely on the specific pairing shown. In the word 'CARS', the letter 'C' is the first letter, and the code '2' is the first digit. This direct positional match provides a clear code for 'C'.

Therefore, based on the provided coding for 'CARS', the code for the letter C is 2.

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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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