In the adjoining figure, if $a\parallel b$ and line $l$ is a transversal then find $x$.

In the adjoining figure, $p\parallel q$. Lines $t$ and $s$ are transversals. Find measure of $x$ and $y$ using the measures of angles given in the figure.

In the adjoining figure. Lines $p\parallel q$ and $l\parallel m$. Find measures of $a, b$ and $c$ using the measures of given angles. Justify your answer.

 In the adjoining figure, $a\parallel b$, line $l$ is a transversal. Find the measures of $x, y, z$ using the given information.

In the adjoining figure, lines $p\parallel q\parallel r$. Find $x$ with the help of the measures given in the figure.