How many 7's in the below series is immediately preceded and followed by an odd number?
4 5 7 9 2 5 0 7 5 8 9 3 6 5 7 9 8 3 3 6 7 8 4 9 8 7 1 6 5 1 8 9 5 1 61
Two
2
Three
3
Four
4
Five
How many 7's in the below series is immediately preceded and followed by an odd number?
4 5 7 9 2 5 0 7 5 8 9 3 6 5 7 9 8 3 3 6 7 8 4 9 8 7 1 6 5 1 8 9 5 1 6