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A palindrome is a word that reads the same forwards and backwards. In a game of words, a player has the following two plates painted with letters: A, D. 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.

1. D, q, J
2. R, ∀, Я
3. Z, ∃, D
4. I, L, Y

Correct answer: R, ∀, Я

Solution

The correct option, R, ∀, Я, allows for the construction of the palindrome 'Я∀Я', where 'Я' and '∀' can be mirrored to create a symmetrical arrangement, fulfilling the requirement of reading the same forwards and backwards.

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