Coding & Decoding
Computer Science
Level
2
If in a certain code, GLAMOUR is written as IJCNMWP and MISRULE is written as OGUSSNC, then how will TOPICAL be written in that code?
VMRJECN
VNRJABJ
VMRHAGJ
VMRJACJ
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There is a pattern in the code- You start by moving the first letter two steps forward, the next one is two steps backwards, and and so on. Once you get to the middle letter, you move it one step forward, and then continue with the pattern.
Example: In this list, each number will be the number of it's corresponding letter (The number of a letter is how many letters you have to count before it appears). Here is a list for G-L-A-M-O-U-R, and the second list is for I-J-C-N-M-W-P, the coded version:
7-12-1-13-15-21-18
9-10-3-14-13-23-16
Just add 2, subtract 2, add 1 to the middle letter, and the patter should be apparent!
With TOPICAL, the list would be 20-15-16-9-3-1-12.
If you follow the pattern, you'd get
22-13-18-10-1-3-10
V-M-R-J-A-C-J
The corresponding letters create the word above, so it is the answer.