Four points lie on the circumference of a circle. What is the positive difference between the number of triangles and the number of quadrilaterals that can be created by connecting these points? Select the correct option:
A) 3  B) 5  C) 6  D) 15  E) 20
Number of triangles can be formed out of 6 points= 4C3=4   Number of quadrilaterals can be formed out of 6 points= 4C4=1   4-1= 
<gadget id="calculator">4-1</gadget>
<output>3</output>
3.   3nswer=3
<result>A</result>
Four points lie on the circumference of a circle. What is the positive difference between the number of triangles and the number of quadrilaterals that can be created by connecting these points?