Question:

In a certain code, LUCKNOW is written as MTDJONX and SURFACE as TTSEBBF. How is HAPPINESS written in that code?

Updated On: Dec 22, 2025
  • IZQOJMFRT
  • IBQQHOFRR
  • GBQOHODRT
  • GZQQJMDTT
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The Correct Option is A

Solution and Explanation

To solve the given code question, we need to determine the pattern or logic used in scrambling the words. Let's analyze the examples provided: 

  1. Example 1: LUCKNOW is written as MTDJONX.
    • Comparing L \(\rightarrow\) M: L is the 12th letter, M is the 13th letter. Change is +1.
    • Comparing U \(\rightarrow\) T: U is the 21st letter, T is the 20th letter. Change is -1.
    • Comparing C \(\rightarrow\) D: C is the 3rd letter, D is the 4th letter. Change is +1.
    • Comparing K \(\rightarrow\) J: K is the 11th letter, J is the 10th letter. Change is -1.
    • Comparing N \(\rightarrow\) O: N is the 14th letter, O is the 15th letter. Change is +1.
    • Comparing O \(\rightarrow\) N: O is the 15th letter, N is the 14th letter. Change is -1.
    • Comparing W \(\rightarrow\) X: W is the 23rd letter, X is the 24th letter. Change is +1.
  2. Example 2: SURFACE is written as TTSEBBF.
    • Comparing S \(\rightarrow\) T: Change is +1.
    • Comparing U \(\rightarrow\) T: Change is -1.
    • Comparing R \(\rightarrow\) S: Change is +1.
    • Comparing F \(\rightarrow\) E: Change is -1.
    • Comparing A \(\rightarrow\) B: Change is +1.
    • Comparing C \(\rightarrow\) B: Change is -1.
    • Comparing E \(\rightarrow\) F: Change is +1.

With the identified pattern, let's encode HAPPINESS:

  • H: H is the 8th letter. Applying +1, we get I.
  • A: A is the 1st letter. Applying -1, we get Z (since Z is before A).
  • P: P is the 16th letter. Applying +1, we get Q.
  • P: P is the 16th letter. Applying -1, we get O.
  • I: I is the 9th letter. Applying +1, we get J.
  • N: N is the 14th letter. Applying -1, we get M.
  • E: E is the 5th letter. Applying +1, we get F.
  • S: S is the 19th letter. Applying -1, we get R.
  • S: S is the 19th letter. Applying +1, we get T.

The transformation of HAPPINESS is IZQOJMFRT.

Therefore, the correct answer is IZQOJMFRT.

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