Question

2, 3, 8, 63, (?) anwer​

Answer 1

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Each term in the series is one less than the square of the preceding term.

Thus, 2 square - 1 = 3,

3 square - 1 = 8,

8 square - 1 = 63.

.'. Missing number = (63) square - 1 = 3969 - 1 = 3968.