A mechanism has I number of links and j number of binary joints. The degree of freedom (n) of mechanism according to Grubler’s criterion will be given by:

• A. n = 2(l – 1) – 2j
• B. n = 2(l – 1) – 3j
• C. n = 3(l – 1) – 2j
• D. n = 3 (l – 1) – 3j