Find co-ordinates of the midpoint of the segment joining points C (3, -5) and D ( -7,3) 

Reflection of the point (-1, 4) in the x-axis is: 

The slopes of two lines are 1 and √3. What is the angle between these two lines? 

Which of the following points lies on the line 5x + 4y = 2? 

An octahedron has 12 edges, How many vertices does it have, 

The length of diagonal BD of a parallelogram ABCD is 36 cm. P and Q are the centroids of triangle ABC and triangle ADC respectively. What is the length (in cm) of PQ? 

In triangle ABC, AD, BE and CF are the medians intersecting at point G and area of triangle ABC is 156 cm². what is the area (in cm²) of triangle FGE? 

An arc of 30 ° in one circle is double an arc in a second circle, the radius of which is three times the radius of the first. Then the angles subtended by the arc of the second circle at its center is