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