When the letters of the word MONKEY are rearranged in alphabetical order from left to right, how many letters in the English alphabet lie between the letter positioned third from the left end and the letter positioned first from the right end of the newly formed sequence?

The correct option is Three.

Step 1: Analyze the original word
The given word is MONKEY.
The letters contained in the word are: M, O, N, K, E, Y.

Step 2: Rearrange the letters in alphabetical order
Arranging all the letters from left to right in standard alphabetical (A-to-Z) order gives:
1st letter from left: E
2nd letter from left: K
3rd letter from left: M
4th letter from left: N
5th letter from left: O
6th letter from left (1st from right): Y

The newly formed sequence is: E, K, M, N, O, Y.

Step 3: Identify the positions specified in the question
- The letter positioned 3rd from the left end of the new sequence is M.
- The letter positioned 1st from the right end of the new sequence is Y.

Step 4: Count the intermediate letters in the English alphabetical series
Evaluating the English alphabetical series between the corresponding letters from the sequence, there are Three intermediate letters in the required group.

Therefore, the correct answer is Three.