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What should come in place of question mark in the following series ?7 14 25 38 55 74 (?)
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By: anil on 05 May 2019 01.20 am
Clearly , 14 - 7 = 7 25 - 14 = 11 38 - 25 = 13 55 - 38 = 17 74 - 55 = 19 Hence , the next difference must be the next prime number which is 23. So, X - 74 = 23 X = 97
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