Does a + b = 0 ?
I. $$ab < 0$$
II. $$a^2 = b^2$$

A

If the statement I alone is sufficient to answer the question.

B

If the statement II alone is sufficient to answer the question.

C

If both the statements I and II are sufficient to answer the question but neither statementaloneis not sufficient.

D

If both the statements I and II together are not sufficient to answerthe question and additional data is required.