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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]  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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