Question

Is quadrilateral ABCD a rhombus?

I. Quadrilateral ABCD is a ||gm.

II. Diagonals AC and BD are perpendicular to each other.

The correct answer is: (a)/(b)/(c)/(d).

Answer 1

ANSWER:
Clearly, I alone is not sufficient to answer the given question.
Also, II alone is not sufficient to answer the given question.
However, both I and II together will give the answer.
∴ Hence, the correct answer is (c).