Angle between hour hand and minute hand of a clock, when it is at $12\text{'}O$ clock, is

At what time angle between the hour and minute hand is $90°$?

If the measure of angles of a triangle are $42°, 65°$ and $73°$, then the triangle is

Which of the following is correct?

Which of the following can be the angle measures of a triangle?

Which of the following can never be an angle measure of a triangle?

The triangle with side measures as $8 \mathrm{cm}, 7 \mathrm{cm}$ and $11 \mathrm{cm}$ is 

One day, due to the absence of a class teacher, the class was very noisy. Mr Verma, who is the Principal of the school and a very strict but lovable person, visited their classroom. To keep children busy and to make the classroom quiet, he arranged a surprise test based on "Quadrilaterals". One of the questions mentioned in the surprise test is given below, answer them.

A quadrilateral in which opposite sides are parallel and equal is a

One day, due to the absence of a class teacher, the class was very noisy. Mr Verma, who is the Principal of the school and a very strict but lovable person, visited their classroom. To keep children busy and to make the classroom quiet, he arranged a surprise test based on "Quadrilaterals". One of the questions mentioned in the surprise test is given below, answer them.

A quadrilateral in which unequal diagonals are perpendicular to each other is a