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How many different four-letter words can be formed (the wor

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How many different four-letter words can be formed (the wor [#permalink] New post 14 May 2019, 00:05
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How many different four-letter words can be formed (the words need not be meaningful) using the letters of the word GREGARIOUS such that each word starts with G and ends with R?

(A) \(8P_2\)

(B) \(\frac{8P_2}{2!*2!}\)

(C) \(8P_4\)

(D) \(\frac{8P_4}{2!*2!}\)

(E) \(\frac{10P_2}{2!*2!}\)
[Reveal] Spoiler: OA

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How many different four-letter words can be formed (the wor   [#permalink] 14 May 2019, 00:05
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