Q7
What will come at the place of question mark ?7, 26, 63, 124, 215, 342, ?
A.
391
B.
511
AnswerC.
481
D.
421
Answer: Option B
Solution
Answer: Option B
Solution:
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.