Find out the missing number in the following sequence:
$1, 3, 3, 6, 7, 9, ?, 12, 21$

Choose the correct alternative for the missing term.
$?, siy, oeu, kaq, gwm, cri$

Fill in the blank space for the given series with the correct alternative.
$3, 8, 22, 63, 185, (\ldots)$

Find out the wrong term from the given series.
$1, 5, 5, 9, 7, 11, 11, 15, 12, 17$

Choose the correct alternative for the missing term in the series:
$Z, Y, X, U, T, S, P, O, N, K, ?$

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

$J ,\star, R, 3, P,L ,2 ,\# ,I,N, 7, O,C, @ ,K, 5, D, =, M, \$, 6, B, > ,A ,Q ,4$

If the above arrangement is written in reverse order, which element will be eleventh to the left of sixteenth from the left?