Concept:Spot the word whose spelling does not match its standard dictionary form by checking each option carefully.
Explanation:The word "Twelth" is misspelt in the given options.
Its correct spelling is "Twelfth".
"Twelfth" is the ordinal form of the number 12 and means 12th (बारहवाँ).
Example: Our next meeting is on the twelfth of May.
Now, check the remaining options.
"Noticeable" (प्रत्यक्ष) means easily seen or noticed; it is correctly spelt.
"Rhythm" (ताल) means a strong, regular, repeated pattern of sounds or movements; it is correctly spelt.
"Relieve" (राहत देना) means to ease pain, stress, or discomfort; it is correctly spelt.
Only "Twelth" has an incorrect spelling.
Answer:Option B — Twelth