What will come at the place of question mark ?
7, 26, 63, 124, 215, 342, ?
A. 391
B. 511
C. 481
D. 421
Answer: Option B
Solution(By Examveda Team)
The terms are given in a series
(23 -1) = 7
(33 -1) = 26
(43 -1) = 63
(53 -1) = 124
(63 -1) = 215
(73 -1) = 342
So, the missing term is,
(83 -1) = 511.
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Comments ( 1 )
Related Questions on Number Series Completion
the addition of digit is repeating, and also gives the same answer as B