How many such 7's are there in the following number sequence which are immediately followed by 4 and immediately preceded by 8. 5 4 7 8 9 7 4 3 8 7 5 7 4 8 7 4 1 2 7 4 5 7 9 4
A2
B3
C4
D1
Answer:
D. 1
Read Explanation:
Preceded by [8][7][4] followed by
5 4 7 8 9 7 4 3 8 75 7 4 [8][7][4] 1 2 7 4 5 7 9 4