How many 7s are there in the following number series which are preceded by 9 and also followed by 6 ? 7 8 9 7 6 5 3 4 2 8 9 7 2 4 5 9 2 9 7 6 4 7
A
Two
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B
Three
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C
Four
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D
Five
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E
None
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Solution
The correct option is A Two The 7s satisfying the given conditions are shown below: 7 8 9 7 6 5 3 4 2 8 9 7 2 4 5 9 2 9 7 6 4 7 Hence there are only 2 such 7