Question
Download Solution PDFThe letters of the English alphabet are coded as follows: kth letter of the alphabet is coded as
(i) (k+17)th letter when 1 ≤ k ≤ 9
(ii) (k-1)th letter when 10 ≤ k ≤ 18
(iii) (k-18)th letter when 19 ≤ k ≤ 26
For decoding reverse process is used. The word that is coded as GAURD is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe logic followed here is: kth letter of the alphabet is coded as:
(i) (k+17)th letter when 1 ≤ k ≤ 9
(ii) (k-1)th letter when 10 ≤ k ≤ 18
(iii) (k-18)th letter when 19 ≤ k ≤ 26
For decoding reverse process is used.
So, the word that is coded as GAURD is:
Letter | G | A | U | R | D |
Place value | 7 | 1 | 21 | 18 | 4 |
Reversing the rules | (7 + 18) | (1 + 18) | (21 - 17) | (18 - 17) | (4 + 18) |
Place value after applying rules | 25 | 19 | 4 | 1 | 22 |
Resultant letter | Y | S | D | A | V |
Thus, 'YSDAV' is coded as 'GAURD'.
Hence, "Option 2" is the correct answer.
Last updated on Sep 27, 2023
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