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Question

From the given alternatives, select the word that CANNOT be formed by using the letters of the given word.

REVOLUTION

This question was previously asked in
SSC CHSL 2025 Tier 1 Question Paper (21-Nov-2025) (Shift 1)
The correct answer is

RATION

This is a word-formation problem: a target word can be formed only if every one of its letters is available, in sufficient count, among the letters of the given word REVOLUTION.

First list the letters of REVOLUTION: R, E, V, O, L, U, T, I, O, N — note there are two O's, and importantly the letter A does not appear at all.

ULTRON needs U, L, T, R, O, N, and each of these is present in REVOLUTION, so it can be formed.

NOVEL needs N, O, V, E, L, all present, and INTRO needs I, N, T, R, O, also all present, so both of these can be formed.

RATION needs R, A, T, I, O, N — but the letter A is not among the letters of REVOLUTION, so RATION cannot be formed no matter how the other letters are arranged.

The concept is a simple letter-availability check: a word is impossible the moment it requires even one letter the source word lacks.

Hence the word that cannot be formed is RATION.

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Important Questions from Word Formation

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