Fill in the blank space for the given series with the correct alternative.
$(2,3), (3,5), (5,7), (7,11), (11,13), (\ldots)$

In the number $7524693$,how many digits will remain at the same position from the beginning if the digits are arranged in ascending order?

Find the missing term for the given series from the given alternatives:
$DCXW, FEVU, HGTS, ?$

Study the following arrangement carefully and answer the questions given below:
$R, 4, E, J, 5, T, 1, A, M, Q, 3, 8, N, I, K, 7, W, F, 6, D, 9, U, 2, Y, V$
Four of the following five are alike in a certain way based on their positions in the above arrangement and so form a group. Which is the one that does not belong to this group?

Study the following arrangement carefully and answer the question.
$O, 4, E, J, 5, T, 1, A, M, Q, 3, 8, N, I, K, 7, W, F, 6, S, 9, U, 2, Y, X$
Which of the following is the fourth to the right of the tenth from the right end of the above arrangement?

Study carefully the following arrangement of letters,digits,and symbols to answer the question:
$M, 7, \&, 8, L, P, @, Q, N, \beta, T, Y, 3, 2, =, E, 4, 9, \#, G, H, 5$
How many such letters are there in the arrangement,each of which is immediately followed by a number?