Question
Find the missing number in the given number series. 5, 9, 18, 34, 59, ?
Solution
Find the differences: 9 β 5 = 4 = 2Β² 18 β 9 = 9 = 3Β² 34 β 18 = 16 = 4Β² 59 β 34 = 25 = 5Β² Differences are 2Β², 3Β², 4Β², 5Β² Next difference = 6Β² = 36 Required term = 59 + 36 = 95
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