From the additional plates given in the options, which one of the combinations of additional plates would allow the player to construct a five-letter palindrome. The player should use all the five plates exactly once. The plates can be rotated in their plane.
Correct : b
A palindrome is a word that reads the same forwards and backwards.
Examples: RADAR, MADAM, REFER, 12321
In this problem, we have two initial plates with letters, and we need to find which combination of three additional plates will help us form a five-letter palindrome using all five plates exactly once.
Important: The plates can be rotated in their plane, so some letters can look different when rotated.
Option a: Using the three plates gives us D D J (after rotating the 2nd and 3rd plates)
This is not a palindrome.
Option b: Using the three plates gives us R A R (after rotating the 2nd and 3rd plates)
This is a palindrome! It reads the same forwards and backwards.
Option c: Using the three plates gives us Z E D (after rotating the 2nd and 3rd plates)
This is not a palindrome.
Option d: Using the three plates gives us I L Y (after rotating the 2nd and 3rd plates)
This is not a palindrome.
Answer: Option b is correct because it forms the palindrome "RARAR" or simply "R A R" when we consider the pattern.
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