The position of how many letters will remain unchanged if each of the letters in the word ‘POWDERS’ is arranged in English alphabetical order?

The correct option is None.

To find how many letters will remain unchanged in their positions, let us first analyze the original word and compare it with the letters arranged in alphabetical order.

Step 1: Original word and its letter positions
1: P
2: O
3: W
4: D
5: E
6: R
7: S

Step 2: Arranging the letters of 'POWDERS' in alphabetical order
The letters present in 'POWDERS' are D, E, O, P, R, S, W.
Arranging them in English alphabetical order gives:
1: D
2: E
3: O
4: P
5: R
6: S
7: W

Step 3: Comparing the original and new positions
- Position 1: P → D (Changed)
- Position 2: O → E (Changed)
- Position 3: W → O (Changed)
- Position 4: D → P (Changed)
- Position 5: E → R (Changed)
- Position 6: R → S (Changed)
- Position 7: S → W (Changed)

None of the letters occupy the same position after being arranged in alphabetical order. Therefore, the position of None of the letters remains unchanged.