Question
85    135    172    ?    Â
215Â Â Â Â 225 What will come in place of the question mark (?) in the following series?Solution
85Â Â Â Â Â Â Â 135Â Â Â Â Â Â Â 172Â Â Â Â Â Â Â 198Â Â Â Â Â Â 215Â Â Â Â Â Â 225 Â Â Â Â Â Â Â Â +50Â Â Â Â Â Â Â Â Â Â Â Â +37Â Â Â Â Â Â Â Â Â Â Â +26Â Â Â Â Â Â Â Â Â Â +17Â Â Â Â Â Â Â Â Â Â +10 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â -13Â Â Â Â Â Â Â Â Â Â Â Â -11Â Â Â Â Â Â Â -9Â Â Â Â Â Â Â Â Â Â Â Â Â Â -7
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