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Sequence

How many such...

Question

How many such 7s are there in the following number sequence each of which is immediately preceded by 5 and not immediately followed by 8?
2 3 5 7 8 9 3 4 5 7 6 1 9 3 5 7 4 8 3 2 5 7 8 8 9 2 5

A

None

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B

One

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C

Two

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D

Three

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Solution

The correct option is A Two
Series given : 2 3 5 7 8 9 3 4 5 7 6 1 9 3 5 7 4 8 3 2 5 7 8 8 9 2 5
So the answer is (3)

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