How many even numbers are there in the follow | vedclass

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(D) We need to find even numbers that satisfy two conditions: $1$. Preceded by an even number. $2$. Followed by an odd number. Let's analyze the seque

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(D) We need to find even numbers that satisfy two conditions: $1$. Preceded by an even number. $2$. Followed by an odd number. Let's analyze the sequence: $8, 6, 7, 6, 8, 9, 3, 2, 7, 5, 3, 4, 2, 2, 3, 5, 5, 2, 2, 8, 1, 1, 9$. - $6$ (preceded by $8$,followed by $7$): Even,Even,Odd. (Matches) - $8$ (preceded by $6$,followed by $9$): Even,Even,Odd. (Matches) - $2$ (preceded by $4$,followed by $3$): Even,Even,Odd. (Matches) - $2$ (preceded by $2$,followed by $8$): No. - $8$ (preceded by $2$,followed by $1$): Even,Even,Odd. (Matches) Checking the sequence again: $(8, 6, 7)$ -> $6$ is preceded by $8$ (even) and followed by $7$ (odd). $(6, 8, 9)$ -> $8$ is preceded by $6$ (even) and followed by $9$ (odd). $(4, 2, 3)$ -> $2$ is preceded by $4$ (even) and followed by $3$ (odd). $(2, 8, 1)$ -> $8$ is preceded by $2$ (even) and followed by $1$ (odd). Total count is $4$. Since $4$ is not in the options,the correct answer is $D$.

How many even numbers are there in the following sequence of numbers which are immediately followed by an odd number as well as immediately preceded by an even number?
$8, 6, 7, 6, 8, 9, 3, 2, 7, 5, 3, 4, 2, 2, 3, 5, 5, 2, 2, 8, 1, 1, 9$

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How many even numbers are there in the following sequence of numbers which are immediately followed by an odd number as well as immediately preceded by an even number?$8, 6, 7, 6, 8, 9, 3, 2, 7, 5, 3, 4, 2, 2, 3, 5, 5, 2, 2, 8, 1, 1, 9$