How many such '7' are there in the following number series which are immediately preceded by '6' but not immediately followed by 5?
7 5 2 7 6 5 3 6 7 4 3 4 7 8 5 3 7 6 7 2 5 0 6 7 5 3
1
5
2
4
3
3
4
2
How many such '7' are there in the following number series which are immediately preceded by '6' but not immediately followed by 5?
7 5 2 7 6 5 3 6 7 4 3 4 7 8 5 3 7 6 7 2 5 0 6 7 5 3