Each vowel in the word ‘ISOLATED’ is changed to the following letter in the English alphabetical order and each consonant is changed to the preceding letter in the English alphabetical order. How many letters are there in the English alphabetical order between the letter which is the third from the left end and the second from the left end in the group of letters thus formed?

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Accepted Answer

Step 1: Identify vowels and consonants in the word 'ISOLATED'.
- Vowels: I, O, A, E
- Consonants: S, L, T, D

Step 2: Change each vowel to the next letter in the English alphabetical order:
- I -> J
- O -> P
- A -> B
- E -> F

Step 3: Change each consonant to the preceding letter in the English alphabetical order:
- S -> R
- L -> K
- T -> S
- D -> C

Step 4: Replace letters in the word 'ISOLATED' accordingly:
I S O L A T E D
J R P K B S F C

Step 5: Find the letters which are third and second from the left end:
- Second from left: R
- Third from left: P

Step 6: Find the number of letters between R and P in the English alphabetical order.
Alphabetical order: ... O (15), P (16), Q (17), R (18), ...  
Letters between P (16) and R (18) is Q (17) only, so 1 letter.

Answer: One

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