Multiple choice

In the following number series, a term is wrong. Find the wrong term. $1256 \quad 976 \quad 1116 \quad 1046 \quad 1081 \quad 1036.5$

  1. $1081$
  2. $1116$
  3. $1036.5$
  4. $1046$
  5. $1256$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The pattern is: subtract 280, add 140, subtract 70, add 35, subtract 17.5 (alternating signs, each difference is half the previous). Checking: 1256-280=976, 976+140=1116, 1116-70=1046, 1046+35=1081, 1081-17.5=1063.5 (not 1036.5). So 1036.5 is the wrong term.

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