Question
What will come in place of the question mark (?) in the
following series? 1, 2, 5, 16, 65, ?Solution
ATQ,
Observe:
1 × 1 + 1 = 2
2 × 2 + 1 = 5
5 × 3 + 1 = 16
16 × 4 + 1 = 65
65 × 5 + 1 = 326
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