Question
What will come in place of the question mark (?) in the
following series? 17, 21, 30, 46, ?, 107Solution
The given series follows the following pattern: 17 + 2 2 = 21 21 + 3 2 = 30 30 + 4 2 = 46 46 + 5 2 = 71 71 + 6 2 = 107
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