Question 2 :
Mark the correct alternative of the following.<br>An angle is double of its supplement. The measure of the angle is?

Question 5 :
Mark the correct alternative of the following.<br>In a $\Delta ABC$, if $2\angle A=3\angle B=6\angle C$, then the measure of the smallest angle is?<br>

Question 8 :
Lines PQ and RS intersect at O. If $\angle POR$ is three times$\angle ROQ$, then$\angle SOQ$ is

Question 9 :
Mark the correct alternative of the following.<br>If the measures of the angles of a triangle are $(2x-5)^o, \left(3x-\dfrac{1}{2}\right)$ and $\left(30-\dfrac{x}{2}\right)$, then $x=?$<br>

Question 10 :
Find the measure of an&#160;angle which is one-fifth of its supplement.<br/>

Question 12 :
Mark the correct alternative of the following.<br>If the measures of the angles of a triangle are $(2x)^o, (3x-5)^o$ and $(4x-13)^o$. Then the value of x is?<br>

Question 13 :
If amongst two supplementary angles, the measure of smaller angle is four times its complement, then their difference is:

Question 15 :
Line $l$,&#160; line m, and point P lie in a plane such that $ l $|| $m$ and $P$ is between $ l $ and $m$. If line $t$ in the same&#160;plane passes through point $P$, which of the following&#160;could be true?<br/>I.$ t$ intersects $ l $&#160; but not $m$.<br/>II. $t$ intersects both $ l $ and m.<br/>III. $t$ does not intersect either $ l $ or $m$.