An encryption system operates as follows: Step 1. Fix a number k (k ≤ 26). Step 2. For each word, swap the first k letters from the front with the last k letters from the end in reverse order. If a word contains less than 2k letters, write the entire word in reverse order. Step 3. Replace each le

Question

An encryption system operates as follows:

Step 1. Fix a number k (k ≤ 26).
Step 2. For each word, swap the first k letters from the front with the last k letters from the end in reverse order. If a word contains less than 2k letters, write the entire word in reverse order.
Step 3. Replace each letter by a letter k spaces ahead in the alphabet. If you cross Z in the process to move k steps ahead, start again from A.
Example: k = 2: zebra → arbez → ctdgb.
If the word “flight” becomes “znmorl” after encryption, then the value of k:

Accepted Answer

6 — Flight become znmorl Let's assume k > 3 So flight will become thgilf &rarr; znmrol. Hence the value of k will be 6

XAT 2021 — Decision Making Question 5

Answer & solution

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