In the following questions a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
11, 29, 55, `ul (?)` , 131

Options

A. 110
B. 81
C. 89
D. 78

Answer

C

Explanation

`3^(2) + 2 = 11`
`5^(2) + 4 = 29`
`7^(2) + 6 = 55`
`9 ^(2) + 8 = 89 `
` 11 ^(2) + 10 = 131`