Which is the third number to the left of the number which is exactly in the middle of the following sequence of numbers ?
1  2  3  4  5  6  7  8  9  2  4  6  8  9  7  5  3  1  9  8  7  6  5  4  3  2  1

A. 3
B. 4
C. 5
D. 6
E. 7

Option B

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How many 3's are there in the following sequence which are neither preceded by 6 nor immediately followed by 9 ?
9  3  6  6  3  9  5  9  3  7  8  9  1  6  3  9  6  3  9

A. One
B. Two
C. Three
D. Four
E. None of these

Option B

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Count each 7 which is not immediately preceded by 5 but is immediately followed by either 2 or 3.
How many such 7's are there ?
5  7  2  6  5  7  3  8  3  7  3  2  5  7  2  7  3  4  8  2  6  7  8

A. 2
B. 3
C. 4
D. 5

Option A

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How many 6's are there in the following series of numbers which are preceded by 7 but not immediately followed by 9 ?
6  7  9  5  6  9  7  6  8  7  6  7  8  6  9  4  6  7  7  6  9  5  7  6  3

A. One
B. Two
C. Three
D. Four

Option C

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How many 7's are there in the following series which are not immediately followed by 3 but immediately 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
B. 3
C. 2
D. 0
E. None of these