Question
31Â Â Â 32Â Â Â Â 41Â Â Â Â 66Â Â Â 115Â Â
  ? What will come in place of the question mark (?) in the following series?Solution
31 + 12Â = 32 32 + 32Â = 41 41 + 52Â = 66 66 + 72Â = 115 115 + 92Â =Â 196
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