Question
What will be come in place of (?) in the given number
series. 5, 9, 17, 33, ?, 129Solution
ATQ,
First level difference:
9 - 5 = 4
17 - 9 = 8
33 - 17 = 16
? - 33 = 32 → ? = 65
129 - 65 = 64
Second level difference: 4, 8, 16, 32, 64 → ×2 pattern
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