RRB RPF RPSF SI and CONS Model Papers 9 with solutions

Question : 43 of 120

Marks: +1, -0

The next term of the sequence 1, 2, 5, 26, ... is :

Solution:

(1) The series is based on following pattern

(1)^{2}+1⇒2

(2)^{2}+1⇒ 5

(5)^{2}+1⇒ 26

(26)^{2}+1⇒677

Therefore, the next number of the series will be 677.

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