$A$ line $x-2y=2$ intersects the $Y$-axis at..........

The graph of the equation $\ldots \ldots \ldots \ldots$ is parallel to the $X$-axis.

The cost of $4$ pens and $4$ pencil boxes is $Rs.\, 100$. Three times the cost of a pen is $Rs.\, 15$ more than the cost of a pencil box. Form the pair of linear equations for the above situation. Find the cost of a pen and a pencil box (in $Rs.$).

$A$ number is $3$ less than another number. By adding $17$ to twice the larger number,it becomes thrice the smaller number. Find these numbers.

Do the following equations represent a pair of coincident lines? Justify your answer.
$\frac{x}{2} + y + \frac{2}{5} = 0$
$4x + 8y + \frac{5}{16} = 0$

The pair of equations $2x + 6y = 10$ and $3x + 9y - 15 = 0$ has..........