The position of which letter will be exactly at the centre of the arrangement if each of the letters in the word TOUCHED is arranged in reversed alphabetical order, i.e. starting from the last letter (Z)?
H
The question asks us to take the letters from the word "TOUCHED", arrange them in reverse alphabetical order, and then identify the letter that is exactly in the centre of this new arrangement.
Let's break down the process:
First, let's list the distinct letters present in the word TOUCHED:
There are 7 letters in total.
Now, we need to arrange these 7 letters in reverse alphabetical order. We compare each letter's position in the standard alphabet and arrange them starting with the letter closest to Z, moving towards A.
Let's list the letters and their alphabetical order positions:
| Letter | Alphabetical Position | |
|---|---|---|
| C | 3 | |
| D | 4 | |
| E | 5 | |
| H | 8 | |
| O | 15 | |
| T | 20 | |
| U | 21 |
Arranging these letters in reverse alphabetical order means listing them from the highest alphabetical position to the lowest. The order will be:
So, the arrangement in reversed alphabetical order is: U, T, O, H, E, D, C.
There are 7 letters in the arranged list. To find the position of the centre letter in an arrangement of 'n' items, where 'n' is odd, the position is given by the formula:
Centre Position $= \frac{n+1}{2}$
In this case, $n = 7$ (the total number of letters).
Centre Position $= \frac{7+1}{2} = \frac{8}{2} = 4$
The centre letter is at the 4th position in the reversed alphabetical arrangement.
Now we look at our reversed alphabetical arrangement: U, T, O, H, E, D, C.
Let's count to the 4th position:
The letter at the 4th position is H.
Therefore, the letter exactly at the centre of the arrangement when the letters of TOUCHED are arranged in reversed alphabetical order is H.
The letters of TOUCHED arranged in reversed alphabetical order are:
U T O H E D C
The centre position is the 4th position, which is occupied by the letter H.
| Step | Action | Result for TOUCHED |
|---|---|---|
| 1 | Original Letters | T, O, U, C, H, E, D |
| 2 | Number of Letters | 7 |
| 3 | Arrangement in Reversed Alphabetical Order | U, T, O, H, E, D, C |
| 4 | Centre Position Formula for odd n | (n+1)/2 |
| 5 | Calculated Centre Position | (7+1)/2 = 4th |
| 6 | Letter at Centre Position | H |
Understanding alphabetical order is crucial for solving this type of problem. Standard alphabetical order goes from A to Z. Reversed alphabetical order goes from Z to A.
When arranging letters from a word in reversed alphabetical order, we are essentially ordering them according to their position in the reversed alphabet list. For example, U comes before T in the reversed list because U is closer to Z than T is. Similarly, H comes before E because H is closer to Z than E is.
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