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Question

In a certain code language, MOHRA is written as 73541 and KALINGA is written as 2168901. How will HARLIN be written as in that language?

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
514689

Decoding HARLIN: Letter Substitution Logic

This question involves a simple substitution cipher where each letter is assigned a specific digit based on the examples provided.

Establishing Letter-to-Digit Mapping

We need to find the code for each letter in "HARLIN" by looking at the codes given for "MOHRA" and "KALINGA".

  • From MOHRA = 73541, we get:
    • M = 7
    • O = 3
    • H = 5
    • R = 4
    • A = 1
  • From KALINGA = 2168901, we get:
    • K = 2
    • A = 1
    • L = 6
    • I = 8
    • N = 9
    • G = 0
    • A = 1

Notice that the letter 'A' consistently maps to '1' in both examples, confirming the direct substitution pattern.

Coding the Target Word HARLIN

Using the established mapping, we find the code for each letter in "HARLIN":

  • H corresponds to 5 (from MOHRA)
  • A corresponds to 1 (from MOHRA/KALINGA)
  • R corresponds to 4 (from MOHRA)
  • L corresponds to 6 (from KALINGA)
  • I corresponds to 8 (from KALINGA)
  • N corresponds to 9 (from KALINGA)

Constructing the Final Code

Combining these digits in order gives the code for "HARLIN": 514689.

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