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Sequence

How many 7's ...

Question

How many 7's are there in the following number series which are not followed by 3 but are preceded by 8?
8 9 8 7 6 2 2 6 3 2 6 9 7 3 2 8 7 2 7 7 8 7 3 7 7 9 4

A

10

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B

2

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C

3

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D

0

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Solution

The correct option is A 2
In the given sequence, 8 9 8 7 6 2 2 6 3 2 6 9 7 3 2 8 7 2 7 7 8 7 3 7 7 9 4, there are only such 7s that are not followed by 3 but preceded by 8.
Answer is Option B

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