A word with letters jumbled have been given. Choose the correct order of letters which are required to form the correct word.
Jumbled word: RTSOW

Given:

​RTSOW

Let's ceck the options:
Option A: 3, 1, 2, 5, 4 → SRTWO. There is no such word in English.
Option B: 5, 4, 1, 3, 2→ WORST. This forms a meaningful and correct word.
Option C: 1, 3, 2, 5, 4 → RSTWO. There is no such word in English.
Option D:  4, 5, 1, 3, 2→ OWRST. There is no such word in English.

So, WORST is a correct English word.

Thus, the correct option is: (b)