Lines and Angles Quiz 4

In the below figure, OP || RS, $\angle OPQ=110^\circ$ and $\angle QRS=130^\circ$, then $\angle PQR$ is equal to

If $l$, m and n are three lines concurrent at ‘O’, then the value of ‘y’

If two interior angles on the same side of transversal intersecting two parallel lines are in the ratio 2 : 3, then the greater of two angles is

What is the minimum number of lines required to make a closed figure ?

Which of the two lines are not parallel ?

In the adjacent figure, $\angle AOB=x^\circ$, $\angle BOC=y^\circ$, $\angle COD=z^\circ$ and $\frac{y}{x}=5$, $\frac{z}{x}=4$ then the value of ‘x’ is x

In the adjacent figure, $\angle AOB=x^\circ$, $\angle BOC=y^\circ$, $\angle COD=z^\circ$ and $\frac{y}{x}=5$, $\frac{z}{x}=4$ then the difference of supplementary and conjugate angles of ‘x’ is

In the adjacent figure, l || m, ‘n’ is transversal.

Reason for the sum of angles A and H are $180^\circ$ is

In the adjacent figure, l || m, ‘n’ is transversal.

An example for a pair of co-interior angles are

In the adjacent figure, l || m, ‘n’ is transversal.

If $\angle B = 100^\circ$ then the value of $\angle H$ is.......