How many 6s are followed by as well as preceded by 9s in the following set of number series?
6 6 9 6 9 9 9 6 6 6 9 6 9 6 6 9 9 6 6 9 9 6 6 6
1
3
2
1
3
4
4
2
How many 6s are followed by as well as preceded by 9s in the following set of number series?
6 6 9 6 9 9 9 6 6 6 9 6 9 6 6 9 9 6 6 9 9 6 6 6