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Verbal Reasoning · Q210

Number Series Completion

Competitive Exams · Verbal Reasoning · question 210

Q210

Find out the wrong term: 1, 3, 10, 21, 64, 129, 356, 777

A.
21
B.
129
C.
10
D.
356
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
The correct pattern is × 2 + 1, × 3 + 1, × 2 + 1, × 3 + 1,...........
So, 356 is wrong and must be replaced by (129 × 3 + 1) i.e., 388.