Refer to the following series and answer the question (all numbers are single digit numbers only).
(Left) 6 4 5 7 8 4 6 3 1 4 1 2 7 4 9 1 5 3 6 1 1 (Right)
How many such odd digits are there each of which is immediately preceded by an even digit and also immediately followed by an odd digit?
AThree
BTwo
CFour
DOne
Related Questions:
Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only.
(Left) > 7 \ 9 + ? 5 # % * 2 2 + + 7 6 % 2 < ^ 7 (Right)
How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by a symbol?
