Question
27Â Â Â 44Â Â Â Â 63Â Â Â Â 86Â Â Â
?      146 What will come in place of the question mark (?) in the following series?Solution
27 + 17 = 44 44 + 19 = 63 63 + 23 = 86 86 + 29 =Â 115 115 + 31 = 146
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