7, 26, 63, 124, 215, 342, ?
A. 391
B. 421
C. 481
D. 511
Answer: Option D
Solution(By Examveda Team)
The terms of the given series are (23 - 1), (33 - 1), (43 - 1), (53 - 1), (63 - 1), (73 - 1),.....So, missing term = (83 - 1) = (512 - 1) = 511.
This Question Belongs to Competitive Reasoning >> Series Completion
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