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3, 5, 9, 17, 33, 65, ?


A) 129

B) 128

C) 126

D) 132

Correct Answer:
A) 129

Description for Correct answer:

Series pattern

\( \Large \left(2 \times previous \ element\right) - 1 \)

Therefore, Missing term = \( \Large \left(2 \times 65\right) - 1

= 130 - 1 = 129 \)


Part of solved Number series questions and answers : >> Aptitude >> Number series




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