Question

In a class, Roll No 101 states that the plural of the word CRISIS is CRISES. Roll No 102 states that the plural is CRISISES, and Roll No 103 states that the plural is CRISIS itself. The Roll No of the student who gave the correct answer is[Notez- DO NOT include spaces in your answer)

Answer 1

Correct Answer: 101

Step 1: Greek-origin "-is" nouns like analysis, basis, and thesis form plurals by changing "-is" to "-es."

Step 2: Applying the same pattern, crisis becomes crises.

Step 3: Roll No 101's answer, crises, matches this pattern, while crisises and unchanged crisis do not.
\[ \boxed{\text{101}} \]