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How many 3’s are there in the given number series which are preceded by an odd digit but not followed by an even digit? 3 4 2 5 3 1 5 2 1 3 6 7 3 1 8 2 7 8 5 3 9 1 3 4 5 2 3 5 4 3 5

How many 3’s are there in the given number series which are preceded by an odd digit but not followed by an even digit? 3 4 2 5 3 1 5 2 1 3 6 7 3 1 8 2 7 8 5 3 9 1 3 4 5 2 3 5 4 3 5 Correct Answer Three

Required condition: odd digit 3 even digit

Given arrangement: 3 4 2 5 3 1 5 2 1 3 6 7 3 1 8 2 7 8 5 3 9 1 3 4 5 2 3 5 4 3 5

Clearly, three such 3’s are there in the given number series which are preceded by an odd digit but not followed by an even digit.

Hence, ‘3’ is the correct answer.

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