How many 3’s are there in the given number series which are preceded by an odd digit but not followed by an even digit?
3 4 2 5 3 1 5 2 1 3 6 7 3 1 8 2 7 8 5 3 9 1 3 4 5 2 3 5 4 3 5
1
One
2
Two
3
Four
4
Three
How many 3’s are there in the given number series which are preceded by an odd digit but not followed by an even digit?
3 4 2 5 3 1 5 2 1 3 6 7 3 1 8 2 7 8 5 3 9 1 3 4 5 2 3 5 4 3 5