Direction: In the questions given below are two statements labelled as Assertion (A) and Reason (R). In the context of the two statements, which one of the following is correct? Assertion (A) Promotion is time based rather than service based in case of recruitment from internal sources. Reason (R) Length of service based promotion is blessing for efficient candidates. Codes

• A.                                  Both A and R are true and R is the correct explanation of A
• B.                     Both A and R are true, but R is not the correct explanation of A
• C.                     A is true, but R is false
• D.                     A is false, but R is true