Aptitude Quizzes Mathematics Aptitude Test

Question:
2,3, 8, 63.(....)

Option A):
3968
Option B):
3008
Option C):
1998
Option D):
1038

Correct Answer is Option A):
3968

Explanation:
Each term in the series is one less than the square of the preceding term. Thus; (2)(2sq) - 1 = 3 (3)(2sq)- 1 = 8, (8)(2sq) — 1 = 63 :.
Missing term = (63)(2sq) — 1 = 3969- 1 = 3968.