In the series given below, count the number of 9s each of which is not preceded by 5 but is immediately followed by either 2 or 3. How many such 9s are there?
1 9 2 6 5 9 3 8 3 9 3 2 5 9 2 9 3 9 3 4 8 2 6 9 8.
1
4
2
3
3
1
4
5
In the series given below, count the number of 9s each of which is not preceded by 5 but is immediately followed by either 2 or 3. How many such 9s are there?
1 9 2 6 5 9 3 8 3 9 3 2 5 9 2 9 3 9 3 4 8 2 6 9 8.