Mathematics · Sequence and Series
Refer to the given number series and answer the question that follows. Counting is to be done from left to right only. All numbers are single-digit numbers. (Left) 8 3 6 2 7 1 9 4 5 2 8 3 7 4 9 6 1 9 2 5 6 8 7 6 3 9 4 1 2 6 7 (Right) How many such odd digits are there, each of which is immediately preceded by an even digit and also immediately followed by an even digit?
- 1Five
- 2Eight
- 3Six✓
- 4Four
Correct answer
Six
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