In a certain code language, ‘WORK’ is coded as ‘1673’ and ‘FROW’ is coded as ‘7326’.What is the code for ‘F’ in the given code language?

Given: 

In a certain code language, ‘WORK’ is coded as ‘1673’ and ‘FROW’ is coded as ‘7326’.

W, O, K and 6, 7, 3 are common in both.

So, the code of F is 2.

Thus, correct option is (a).