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Question

In a code, 'CAT' is written as 'FDW', then how is 'DOG' written in the same code?

This question was previously asked in
SSC Stenographer 2025 Question Paper (06-Aug-2025) Shift 2
The correct answer is
GRJ

Understanding the Coding Pattern

This question asks us to decipher a coding pattern based on an example and apply it to a new word. The example shows 'CAT' being coded as 'FDW'. This suggests a consistent rule is applied to each letter.

Analyzing the 'CAT' to 'FDW' Code

Let's examine the letter shifts using their positions in the English alphabet (A=1, B=2, C=3, ...):

  • C is the 3rd letter. It is coded as F, which is the 6th letter. The shift is \(6 - 3 = 3\).
  • A is the 1st letter. It is coded as D, which is the 4th letter. The shift is \(4 - 1 = 3\).
  • T is the 20th letter. It is coded as W, which is the 23rd letter. The shift is \(23 - 20 = 3\).

The pattern identified is that each letter is replaced by the letter 3 positions after it in the alphabet (a Caesar cipher with a shift of +3).

Original Letter Coded Letter Position Shift
C F \(+3\)
A D \(+3\)
T W \(+3\)

Applying the +3 Shift to 'DOG'

To find the code for 'DOG', we apply the same \(+3\) shift rule to each letter:

  • D: The letter 'D' is the 4th letter of the alphabet. Adding the shift: \(4 + 3 = 7\). The 7th letter is G.
  • O: The letter 'O' is the 15th letter of the alphabet. Adding the shift: \(15 + 3 = 18\). The 18th letter is R.
  • G: The letter 'G' is the 7th letter of the alphabet. Adding the shift: \(7 + 3 = 10\). The 10th letter is J.

Combining these results, 'DOG' is coded as 'GRJ'.

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Similar Questions

  1. In a certain code language, 'CAT' is coded as 9 and 'MOUSE' is coded as 25. How will 'TROUBLE' be coded in the same language?
  2. In a certain code language, ‘CITY’ is coded as 228 and ‘CRY’ is coded as 138. How will‘BOLD’ be coded in the same language?
  3. In a code language, 'BROWN' is coded as DTMYP and 'PLACE' is coded as RNYEG. How will 'RIGHT' be coded in the same language?
  4. In a certain code language, 'OWL' is coded as 150 and 'CROW' is coded as 236. How will 'ROBIN' be coded in the same language?
  5. In each question below, two pairs of letters are given. The first pair has a specific relationship between its letters. Identify the relationship and choose the correct option that completes the second pair in the same way.
    ZY: XV:: TR:?
  6. Four of the following five are alike in a certain way and hence form a group. Which is the one that does not belong to that group?
    A. DATE: EXWH
    B. READ: SFBC
    C. FISH: GJTI
    D. BOOK: CPQL
    E. CARD: DBSE
  7. If we assign positions to letters A=1, B=2, ..., Z=26, what is the index sum of the word CAT?
  8. What will be the alphabetical position index of the word DOG if all letters of the English alphabet are arranged in reverse order?
  9. In each of the following questions, a word is transformed into another word by applying a specific alphabetical pattern to each of its letters. Identify the logic used in the first pair and apply the same logic to the second word to determine the correct answer.
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  10. Four of the following five pairs follow a similar letter-coding pattern. Identify the one that does not belong to the group.
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    Question: Which of the following pairs is the odd one out?

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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