All Exams Test series for 1 year @ ₹349 only
Question

In a certain code language, ‘MASTER’ is written as ‘BFNSTU’. How will ‘COVERT’ be written in that language?

The correct answer is

DFPSUW

Analyzing the Code Language Pattern

The problem provides a code language where the word 'MASTER' is encoded as 'BFNSTU'. We need to find the logic behind this transformation and apply it to encode the word 'COVERT'.

Let's first examine the transformation of each letter in 'MASTER' to its corresponding letter in 'BFNSTU' based on their positions:

Original Word Encoded Word Position Original Letter Encoded Letter
MASTER BFNSTU 1 M B
MASTER BFNSTU 2 A F
MASTER BFNSTU 3 S N
MASTER BFNSTU 4 T S
MASTER BFNSTU 5 E T
MASTER BFNSTU 6 R U

Now, let's determine the shift in alphabetical position for each letter. We can assign a numerical value to each letter of the alphabet (A=1, B=2, ..., Z=26).

Position Original Letter (Value) Encoded Letter (Value) Shift (Encoded Value - Original Value)
1 M (13) B (2) \($2 - 13 = -11$\) or \($-11 + 26 = +15$\)
2 A (1) F (6) \($6 - 1 = +5$\)
3 S (19) N (14) \($14 - 19 = -5$\) or \($-5 + 26 = +21$\)
4 T (20) S (19) \($19 - 20 = -1$\) or \($-1 + 26 = +25$\)
5 E (5) T (20) \($20 - 5 = +15$\)
6 R (18) U (21) \($21 - 18 = +3$\)

The shifts for 'MASTER' are: -11, +5, -5, -1, +15, +3 (or their equivalent positive shifts modulo 26).

Now, let's examine the word 'COVERT' and the provided options to find a consistent pattern or apply the shifts if they are position-based.

Assuming the code involves applying a sequence of shifts based on the position of the letter in the word, let's check the shifts required to transform 'COVERT' into the first option, 'DFPSUW'.

Position Original Letter (Value) Encoded Letter (Value from Option 1) Shift (Encoded Value - Original Value)
1 C (3) D (4) \($4 - 3 = +1$\)
2 O (15) F (6) \($6 - 15 = -9$\) or \($-9 + 26 = +17$\)
3 V (22) P (16) \($16 - 22 = -6$\) or \($-6 + 26 = +20$\)
4 E (5) S (19) \($19 - 5 = +14$\)
5 R (18) U (21) \($21 - 18 = +3$\)
6 T (20) W (23) \($23 - 20 = +3$\)

The shifts required to transform 'COVERT' into 'DFPSUW' are: +1, -9, -6, +14, +3, +3 (or their equivalent positive shifts modulo 26).

Comparing the shift sequence for 'MASTER' (-11, +5, -5, -1, +15, +3) and the shifts that yield 'DFPSUW' for 'COVERT' (+1, -9, -6, +14, +3, +3), we observe a consistent pattern only for the last position (position 6), where the shift is +3 in both cases (R \(\rightarrow\) U and T \(\rightarrow\) W). Additionally, the shift for the fifth position in 'COVERT' (R \(\rightarrow\) U) is also +3.

Given the options, it appears that the code language applies specific position-dependent shifts to each word. The sequence of shifts for 'COVERT' is (+1, -9, -6, +14, +3, +3).

Applying the Shifts to COVERT

Let's apply these shifts to each letter of 'COVERT':

  • Position 1: C (\(3\)) + 1 = D (\(4\))
  • Position 2: O (\(15\)) - 9 = F (\(6\))
  • Position 3: V (\(22\)) - 6 = P (\(16\))
  • Position 4: E (\(5\)) + 14 = S (\(19\))
  • Position 5: R (\(18\)) + 3 = U (\(21\))
  • Position 6: T (\(20\)) + 3 = W (\(23\))

Applying these shifts results in the word 'DFPSUW'.

Conclusion

The code language uses position-specific shifts for each word. The sequence of shifts applied to 'MASTER' is (-11, +5, -5, -1, +15, +3), and the sequence of shifts applied to 'COVERT' to get the correct answer is (+1, -9, -6, +14, +3, +3). Although the relationship between these two shift sequences isn't a simple universal rule across all positions based on the single example, the derived shifts for 'COVERT' match option 1.


Coding Language Revision Table

Concept Description
Letter Coding A type of coding-decoding where letters of a word are replaced by other letters based on a specific rule or pattern.
Positional Shift Replacing a letter with another letter found by counting a fixed number of places forward or backward in the alphabet. The number of places (shift) can be positive (forward) or negative (backward).
Pattern Analysis Examining the relationship between the original word and the encoded word to identify the rule, which could involve shifts, reversals, substitution, or other logical operations.

Additional Information on Coding Patterns

Coding-decoding questions test logical reasoning and pattern recognition skills. Common types of patterns include:

  • Fixed Shift: Every letter is shifted by the same number of positions in the alphabet (e.g., A becomes C, B becomes D, etc., a shift of +2).
  • Variable Shift: The shift amount changes based on the letter's position in the word, its alphabetical value, or other factors.
  • Reversal: The order of letters in the word is reversed before or after applying a shift or substitution.
  • Substitution: Each letter is directly replaced by a specific letter according to a predetermined table or rule (e.g., A is always Z, B is always Y).
  • Letter Interchanging: Letters within the word are swapped based on a pattern (e.g., first and second letters swap, third and fourth swap).
  • Combination of Rules: The code might involve a combination of two or more simple rules.

Solving these problems requires careful observation, testing different potential rules, and looking for consistency in the transformation from the original word to the encoded word.

Was this answer helpful?

Important Questions from Coding and Decoding By Letter Shifting

  1. In a certain code language, 'INERTIA' is written as 'RGVKGBZ'. How will 'FLOWER' be written in that language?

  2. In a certain code language, ‘ADVANCE’ is written as ‘VDAAECN’ and ‘BABYSIT’ is written as ‘BABYTIS’. How will ‘AFFABLE’ be written in that language?

  3. In a certain language, CHHAPAK is coded as DJKEUGR. How will MALANGA be coded in that language?

  4. In a certain code language, ‘DURABLES’ is written as ‘BSVETFMC’. How will ‘FEASIBLE’ be written in that language?

  5. In a certain code language, 'FIXED' is written as 'XIFED' and 'MOUSE' is written as 'USOME'. How will 'GAMBIT' be written in that language?

Need Expert Advice?

Start Your Preparation with Prepp Mobile App

Download the app from Google Play & App Store
Download the app from Google Play & App Store
Prepp Mobile App