Fill in the blank space for the given series with the correct alternative.
$1, 3, 4, 8, 15, 27, (\ldots)$

Choose the correct alternative to complete the series: $...bcdbc...dcabd....bcdbc....dc....bd$

Two terms have been put within brackets in the following series. Mark your answer based on their correctness:
$4, 6, 40, (2), 16, (14), 22$

Fill in the blank space for the given series with the correct alternative.
$1, 8, 27, 64, 125, 216, (\ldots)$

Find out the wrong term from the given series.
$25, 36, 49, 81, 121, 169, 225$

These questions are based on the following arrangement. Study it carefully and answer the questions.

$8 ,H ,\% ,3,7 ,T,A ,4 ,\# ,6 ,B,I ,@ ,R ,1 ,Q ,\star, L,E ,2 ,K ,\$ ,U ,5,9$

How many such symbols are in the above arrangement each of which is immediately followed by a number but not immediately preceded by another number?