Question

Consider the following pair of equations:
$2x+4y-5=0$
$px+qy-12=0$
Find the probability, such that a given pair of equations represent parallel lines, where the value of $p$ and $q$ is decided by rolling a pair of dice simultaneously.

• A. $\frac{1}{12}$
• B. $\frac{5}{36}$
• C. $\frac{1}{7}$
• D. $\frac{7}{36}$

Answer 1

The correct option is A $\frac{1}{12}$