Lines parallel to the same line

Q.

In the given figure, AB || CD, then the value of $x$ is

1. 
2. 
3. 
4. 

Q.

In the adjoining figure, $l_1$ is parallel to $l_2$. If $PQ=3.2cm$, find $RS$?

Q. In the figure, AC || DF.
$\angle CBO={40}^{\circ }\text{and}\angle FEO={30}^{\circ }$
What is the value of the reflex angle $\angle BOE$?

1. ${290}^{\circ }$
2. ${70}^{\circ }$
3. ${105}^{\circ }$
4. ${45}^{\circ }$

Q. In the given figure, AB || CD, then the value of x is

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1. ${220}^{\circ }$
2. ${75}^{\circ }$
3. ${285}^{\circ }$
4. ${235}^{\circ }$