R S Aggarwal and Veena Aggarwal Solutions for Exercise 4: MULTIPLE-CHOICE QUESTIONS (MCQ)

In the given figure, $AOB$ is a straight line. If $\angle AOC=4x°$ and $\angle BOC=5x°$, then $\angle AOC=?$

In the given figure, $AOB$ is a straight line. If $\angle AOC=(3x+10)°$ and $\angle BOC=(4x-26)°$, then $\angle BOC$ is

In the given figure, $AOB$ is a straight line. If $\angle AOC=(3x-10)°, \angle COD=50°$ and $\angle BOD=(x+20)°$ then $\angle AOC=?$

Which of the following statements is false?

An angle is one fifth of its supplement. The measure of the angle is

In the adjoining figure, $AOB$ is a straight line. If $x: y: z=4: 5: 6,$ then $y=?$

In the given figure, straight lines $AB$ and $CD$ intersect at $O.$ If $\angle AOC=\varphi , \angle BOC=\theta$ and $\theta =3\varphi ,$ then $\varphi$ measures

In the given figure, straight lines$AB$ and $CD$ intersect at $O.$ If $\angle AOC+\angle BOD=130°$, then $\angle AOD$ is