question_answer

How many such 5's are there in the given below arrangement each of which is immediately preceded as well as followed by an even digit?     (SOF NCO 2016)

9 9 2 3 2 5 9 5 8 5 8 5 4 3 1 8 1 7 4 7 6 5 2 1 2 6 1 3 2 4 6 2 4

A) None                            

B) One          

C) Two                             

D) Three