CAT 2000 | Question: 137

Question

Each question is followed by two statements, I and II. Answer each question using the following instructions.

Mark the answer as

• Choose $1$ if the question can be answered by using one of the statements alone, but cannot be answered using the other statement alone.
• Choose $2$ if the question can be answered by using either statement alone.
• Choose $3$ if the question can be answered by using both statements together, but cannot be answered using either statement alone.
• Choose $4$ if the question cannot be answered even by using both statements together.

There are two straight lines in the $x-y$ plane with equations $ax + by = c, dx + ey = f.$ Do the two straight lines intersect?

• A. $a, b, c, d, e$ and $f$ are distinct real numbers.
• B. $c$ and $f$ are non-zero
  • A. $1$
  • B. $2$
  • C. $3$
  • D. $4$