In the following series of numbers,find out h | vedclass

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(A) We need to find the pattern where $7$ is in the middle and $1$ and $3$ are on either side. This means we are looking for the sequences $(1, 7, 3)$

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$3$

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(A) We need to find the pattern where $7$ is in the middle and $1$ and $3$ are on either side. This means we are looking for the sequences $(1, 7, 3)$ or $(3, 7, 1)$.Let's analyze the given series: $2, 9, 7, 3, 1, 7, 3, 7, 7, 1, 3, 3, 1, 7, 3, 8, 5, 7, 1, 3, 7, 7, 1, 7, 3, 9, 0, 6$.$1$. The first occurrence is $(1, 7, 3)$ at index $4-6$: $2, 9, 7, 3, \mathbf{1, 7, 3}, 7, 7, 1, 3, 3, 1, 7, 3, 8, 5, 7, 1, 3, 7, 7, 1, 7, 3, 9, 0, 6$.$2$. The second occurrence is $(1, 7, 3)$ at index $12-14$: $2, 9, 7, 3, 1, 7, 3, 7, 7, 1, 3, 3, \mathbf{1, 7, 3}, 8, 5, 7, 1, 3, 7, 7, 1, 7, 3, 9, 0, 6$.$3$. The third occurrence is $(1, 7, 3)$ at index $18-20$: $2, 9, 7, 3, 1, 7, 3, 7, 7, 1, 3, 3, 1, 7, 3, 8, 5, 7, \mathbf{1, 3}, 7, 7, 1, 7, 3, 9, 0, 6$ (Wait,this is $1, 3$,not $1, 7, 3$).Let's re-examine carefully: Series: $2, 9, 7, 3, \mathbf{1, 7, 3}, 7, 7, 1, 3, 3, \mathbf{1, 7, 3}, 8, 5, 7, 1, 3, 7, 7, \mathbf{1, 7, 3}, 9, 0, 6$.There are exactly $3$ such occurrences.

In the following series of numbers,find out how many times $1, 3$ and $7$ have appeared together,with $7$ being in the middle and $1$ and $3$ on either side of $7$?
$2, 9, 7, 3, 1, 7, 3, 7, 7, 1, 3, 3, 1, 7, 3, 8, 5, 7, 1, 3, 7, 7, 1, 7, 3, 9, 0, 6$

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In the following series of numbers,find out how many times $1, 3$ and $7$ have appeared together,with $7$ being in the middle and $1$ and $3$ on either side of $7$?$2, 9, 7, 3, 1, 7, 3, 7, 7, 1, 3, 3, 1, 7, 3, 8, 5, 7, 1, 3, 7, 7, 1, 7, 3, 9, 0, 6$