Six points lie on the circumference of a ellipse. What is the positive difference between the number of triangles and the number of quadrilaterals that can be created by connecting these points?
Choose the correct option
A) 4  B) 6  C) 5  D) 15  E) 20
Number of triangles can be formed out of 6 points= 6C3=20   Number of quadrilaterals can be formed out of 6 points= 6C4=15   20-15= 
<gadget id="calculator">20-15</gadget>
<output>5</output>
5.   Answer=5
<result>C</result>
Six points lie on the circumference of a ellipse. What is the positive difference between the number of triangles and the number of quadrilaterals that can be created by connecting these points?