Fill in the blank space for the given series with the correct alternative.
$4, 23, 60, 121, (\ldots)$

Fill in the blank space for the given series with the correct alternative.
$9, 12, 11, 14, 13, (\ldots), 15$

These questions are based on the following letter/number/symbol arrangement. Study it carefully and answer the questions that follow.

$5, D,H,E, \star, 7,9, \$ ,F,I ,6 ,R ,\% ,L ,1 ,A,J, 3, B, \# ,4 ,@ ,K,P ,8, U,M, 2$

What will come in place of the question marks $(?)$ in the following series based on the above arrangement?

$E,D,H ,9 ,\star, 7, I,\$,F, ?, ?, ?$

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

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

How many such consonants are there in the above arrangement, each of which is immediately preceded by a consonant and immediately followed by a number?

Fill in the blank space for the given series with the correct alternative.
$2, 5, 9, 19, 37, (...)$

How many such digits are there in the number $5831649$ each of which is as far away from the beginning of the number as when the digits are rearranged in ascending order?