• question_answer How many 4's are there in the following number series, each of which is immediately preceded and followed by even digit? 6 4 3 2 4 8 3 1 5 4 2 3 2 4 6 4 8 1 3 2 4 2 6 4 5 A)  One                            B)  Two                            C)  Three                          D)  Four

6 4 3 2  8 3 1 5 4 2 3  268 1 3 22 6 4 5