Consider the following statements:I. The degree of freedom for lower kinematic pairs is always equal to one.II. A ball and socket joint has three degrees of freedom and is a higher kinematic pair.III. Oldham’s coupling mechanism has two prismatic pairs and two revolute pairs.Which of the statements given above is/are correct?

Consider the following statements:I. The degree of freedom for lower k

1.	Consider the following statements:I. The degree of freedom for lower kinematic pairs is always equal to one.II. A ball and socket joint has three degrees of freedom and is a higher kinematic pair.III. Oldham’s coupling mechanism has two prismatic pairs and two revolute pairs.Which of the statements given above is/are correct?
A.	I, II and III
B.	I only
C.	II and III
D.	III only
Answer» E.