Directions: The question consists of a question and two statements I and n have given below it. You have to decide whether the date provided in the statements are sufficient to answer the question. Read both the ‘Statements’ and choose the appropriate option. How many students are there in the class?
The average weight of the class is 52 kg.
If two students weighing 44 kg and 52 kg leave the class and are replaced by two students weighing 64 kg and 56 kg. The average weight of the class increases by 1.2 kg.

Options

A. If the data in statement 1alone is sufficient to answer the question, while the data in statement n alone is
not sufficient to answer the question.
B. If the data in statement II alone is sufficient to answer the question, while the data in statement 1 alone is
not sufficient to answer the question.
C. If the data given in both statements I and II together is not sufficient to answer the question.
D. If the data in both statements I and n together is necessary to answer the question.