Multiple choice general knowledge math & puzzles

1-4-2-1-2-8-3-5-4-?

  1. 5

  2. 1

  3. 7

  4. 8

  5. 2
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is an interleaved sequence. The numbers at positions 1, 3, 5, 7, 9 are 1, 2, 2, 3, 4. The numbers at positions 2, 4, 6, 8 are 4, 1, 8, 5. The pattern for the second set is -3, +7, -3. Following this, 5 - 3 = 2.

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