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Question

In a certain code language, ‘WIFE’ is coded as ‘1852’ and ‘FIRE’ is coded as ‘7285’. What is the code for ‘R’ in the given code language?

The correct answer is

7

To solve the problem of determining the code for 'R' in the given code language, let's analyze the provided examples systematically.

Given:

  • 'WIFE' is coded as '1852'
  • 'FIRE' is coded as '7285'

Objective: Find the code for 'R'.

We will use these examples to identify the code for each letter in the words 'WIFE' and 'FIRE'.

Analyzing 'WIFE' = 1852:

  • 'W' = 1
  • 'I' = 8
  • 'F' = 5
  • 'E' = 2

Analyzing 'FIRE' = 7285:

  • 'F' = 7
  • 'I' = 2
  • 'R' = ?
  • 'E' = 5

Now observe that 'E' consistently codes to '2' and '5'. However, each word seems to have a unique mapping:

  • 'F' is coded separately as 5 in 'WIFE' and 7 in 'FIRE'.
  • 'I' is coded as 8 in 'WIFE' and coded as 2 in 'FIRE'.
  • 'W' uniquely uses 1.
  • 'R' is the only character yet to be matched, with the digit 7 as the only left over, as it is used once in 'FIRE'.

By exclusion and matching logic, the code for 'R' must be '7'.

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Important Questions from Coding and Decoding By Letter Shifting

  1. In a certain code language, BEAT is written as YVZG. What will be the code of MILD?
  2. If BE QUICK is coded as ZC OSGAI, then the code of the last letter of the third word in the sentence I LOVE MY COUNTRY is
  3. In a certain code language, THANKS is written as SKNTHA. How is STUPID written in that code language?
  4. In a certain code, GARNISH is written as RGAINHS. How will GENIOUS be written in that code?

  5. In a certain code language, NOIDA is coded as STNIF. What will be the code for MEERUT?

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