In the given number series, how many 4s are preceded by 7 but not followed by 8?
3 4 5 1 4 3 1 4 8 5 4 3 3 4 9 8 4 1 2 3 4 1 3 6
A4
B3
C2
D0
In the given number series, how many 4s are preceded by 7 but not followed by 8?
3 4 5 1 4 3 1 4 8 5 4 3 3 4 9 8 4 1 2 3 4 1 3 6
A4
B3
C2
D0
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