If p, q and rare real numbers: are the roots of the quadratic equation $$px^2 + qx + r = 0$$ real?
I. r - 25p = 0
II. q + 9p = 0

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 statement alone is sufficient.

D

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