Question
13Â Â Â 30Â Â Â Â 49Â Â Â Â 72Â Â Â
?      132 What will come in place of the question mark (?) in the following series?Solution
13 + 17 = 30 30 + 19 = 49 49 + 23 = 72 72 + 29 =Â 101 101 + 31 = 132
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