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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.5
  • C.4
  • D.7

Answer: C

Correct answer: 4

The sequence holds 27 numbers, so the middle one is the 14th, which is 9. Three places to its left is the 11th number, 4.

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