Question

Find the total number of students in class II? Statement I: The number of students in class I is 66.67% of the total number of students in both classes I and
II. Statement II: The average number of students across classes I, II, and III is 216, and the difference between the total students in classes I and III is 88. Statement III: 37.5% of the students in class I and 25% of the students in class II are girls, and the average of the number of girls in class I and boys in class II is 84.

The following questions contain three statements statement I, statement II and statement
III. You have to determine which statement/s is/are necessary to answer the question and give an answer as.
A Only I and II are sufficient to answer the question.
B Only I and III are sufficient to answer the question.
C Either I and II or I and III are sufficient to answer the question.
D All statements together are necessary to answer the question.
E All statements together are not sufficient to answer the question.
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