Number Series Ques 130

Question-

What will come in place of the question mark (?)

$ 11\quad ?\quad 83\quad 299\quad 811 \quad 1811$

(1) 21

(2) 12

(3) 18

(4) 19

(5) 14

Show Answer

Correct Answer: (4)

Solution: (4)

The pattern is:

$11+2^{3}=11+8=19$

$19+4^{3}=19+64=83$

$83+6^{3}=83+216=299$

$299+8^{3}=299+512=811$

$811+10^{3}=811+1000=1811$