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Find the number of permutations that can...

Find the number of permutations that can be made from the letters of the word 'OMEGA'. E being always in the middle.

A

a. 18 ways

B

b. 24 ways

C

c. 48 ways

D

d. 20 ways

Text Solution

AI Generated Solution

The correct Answer is:
To find the number of permutations that can be made from the letters of the word "OMEGA" with the letter 'E' always in the middle, we can follow these steps: ### Step 1: Fix the position of 'E' Since 'E' must always be in the middle, we can fix it in the third position of the arrangement. The arrangement looks like this: ``` _ _ E _ ``` ### Step 2: Identify the remaining letters The remaining letters we have to arrange are O, M, G, and A. So, we have 4 letters left to arrange. ### Step 3: Calculate the number of permutations of the remaining letters The number of ways to arrange n distinct objects is given by n!. In our case, we have 4 distinct letters (O, M, G, A). Thus, the number of permutations of these 4 letters is: \[ 4! = 4 \times 3 \times 2 \times 1 = 24 \] ### Step 4: Conclusion Therefore, the total number of permutations of the letters of the word "OMEGA" with 'E' always in the middle is **24**. ---
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