Given series formed in definite pattern and next number follows the predecessor. 

1)

Find the next number of he series 2,9,28,65....


A) 125

B) 128

C) 126

D) 132

Answer:

Option C

Explanation:

$2= 1^{3}+1$
$8= 2^{3}+1$
$15= 3^{3}+1$
$24= 4^{3}+1$
So, next should be $5^{3}+1=126$