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The position(s) of how many letters will remain unchanged if each of the letters in the word ARTICLE is arranged in the English alphabetical order?
1
2
0
3
2
Write the original word and the sorted alphabetical sequence directly below it to compare character positions index by index.
Write the original word and the sorted alphabetical sequence directly below it to compare character positions index by index.
List original and arranged sequence
Original word: A R T I C L E (Positions: 1-A, 2-R, 3-T, 4-I, 5-C, 6-L, 7-E). Arranged in alphabetical order: A C E I L R T (Positions: 1-A, 2-C, 3-E, 4-I, 5-L, 6-R, 7-T).
Compare positions
Comparing index by index: Position 1 (A vs A - Match), Position 2 (R vs C - No), Position 3 (T vs E - No), Position 4 (I vs I - Match), Position 5 (C vs L - No), Position 6 (L vs R - No), Position 7 (E vs T - No).
Count unchanged positions
The letters at position 1 (A) and position 4 (I) remain in the same place. There are 2 such letters.
A: 1 is incorrect because we found 2 matches; C: 0 is incorrect; D: 3 is incorrect.
B is correct because the letters A at the 1st position and I at the 4th position remain in their original positions after arranging the word ARTICLE alphabetically.
When asked for 'unchanged positions', always write the original and the new sequence vertically aligned to avoid missing matches due to manual counting errors.
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