Fill in the blank space for the given series with the correct alternative.
$2, 6, 11, 17, (\ldots), 32$

Choose the correct alternative to complete the series: $cccbb...aa...cc...bbbaa...c$

Study the following arrangement carefully and answer the questions given below:

$7, R,E,T ,4 ,A ,9 ,\% ,D,F, 1, U, \# ,B ,@ ,8 ,H,I ,$©$, W,M, \star, 3,2 ,V ,\$ ,5 ,N,P,6, Q$

Four of the following five are alike in a certain way based on their position in the above arrangement and so form a group.

Which is the one that does not belong to the group?

If the digits of the number $26839514$ are arranged in descending order,the position of how many digits will remain unchanged?

Fill in the blank space for the given series with the correct alternative.
Which of the following will not be a number of the series $1, 8, 27, 64, 125, \ldots$?

Choose the correct alternative to fill in the blanks in the series: $abca....bcaab....ca....bbc...a$