Multiple choice

In the following number-series one number is wrong. Find that wrong number. 848 424 212 105 53 26.5 13.25

  1. 212

  2. 105

  3. 26.5

  4. 424

  5. 54
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B Correct answer
Explanation

Pattern: each number is half of previous (÷2). 848 ÷ 2 = 424, 424 ÷ 2 = 212, 212 ÷ 2 = 106 (but we have 105), 106 ÷ 2 = 53. The number 105 breaks the pattern - it should be 106.

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