A GMAT Combinatorics problem-solving question.
This GMAT quant practice question is a counting method problem-solving question. The concept tested in this question is to find the number of ways a few letters from a word can be selected and rearranged such that the rearrangement adheres to a specified constraint.
Chapters:
00:25 - Decoding the question
01:01 - Solution
Question:
How many different four-letter words can be formed (the words need not be meaningful) using the letters of the word MEDITERRANEAN such that the first letter is E and the last letter is R?
A. 59
B. 11!/(2!×2!×2!)
C. 56
D. 23
E. 11!/(3!×2!×2!×2!)
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Негізгі бет Permutation Combination 02 | Word Ordering | GMAT 650 - 700 Level
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