Correct option is A
Given: The word TROUBLEMAKING.
Formula Used: Alphabetical order.
Solution: 1. Arrange the letters in alphabetical order: ABEGIKLMNORTU. 2. Count the positions that change from the original word.
T | R | O | U | B | L | E | M | A | K | I | N | G |
A | B | E | G | I | K | L | M | N | O | R | T | U |
Formula- Number of the position that change letters = total numbers of letters – number of not changes letters
= 13 – 1 = 12 3. All 12 letters change positions. Therefore, the answer is option (a) Twelve.