Question
80    81.5    83.5     ? Â
   89      92.5 What should come in place of the question mark (?) in the following number series?ÂSolution
80 + 1.5 = 81.5 81.5 + 2 = 83.5 83.5 + 2.5 = 86 86 + 3 = 89 89 + 3.5 = 92.5
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