Question
22Â Â Â 39Â Â Â Â 58Â Â Â Â 81Â Â Â
?      141 What will come in place of the question mark (?) in the following series?Solution
22 + 17 = 39 39 + 19 = 58 58 + 23 = 81 81 + 29 =Â 110 110 + 31 = 141
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