In the given number sequence, how many '8' are there which are immediately…
2016
In the given number sequence, how many '8' are there which are immediately preceded by '6' but not immediately followed by '3'? 4, 1, 5, 6, 8, 7, 5, 6, 2, 8, 5, 3, 6, 8, 3, 5, 6, 8, 1, 5, 3, 6, 8, 4, 9, 6, 8, 2, 6, 8, 7, 8, 3
Answer: C. 5 — 1. Search for the pattern '68x', where x is not '3'. 2. Scanning the sequence: 6,8,7 (Yes); 6,8,3 (No); 6,8,1 (Yes); 6,8,4 (Yes); 6,8,2 (Yes). 3. The valid…
- A.
8
- B.
4
- C.
5
- D.
6
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Correct answer: C
1. Search for the pattern '68x', where x is not '3'. 2. Scanning the sequence: 6,8,7 (Yes); 6,8,3 (No); 6,8,1 (Yes); 6,8,4 (Yes); 6,8,2 (Yes). 3. The valid occurrences are 4. Final Answer: Option B
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