In a telephone directory,which of the following names will appear in the middle $?$
Ssgewat,Segvan,Sftjevar,Salwar and Sajewet.

How many pairs of letters are there in the word $SEQUENTIAL$ which have as many letters between them as are in the alphabet?

Arrange the given words in alphabetical order and choose the one that comes first.

Arrange the given words in the sequence in which they occur in the dictionary and then choose the correct sequence.
$1.$ Pestle $2.$ Pestilence $3.$ Pester $4.$ Pest $5.$ Pessimist

Each of the following questions is based on the following alphabet series.
$A, B, C, D, E, F, G, H, I, J, K, L, M$
$N, O, P, Q, R, S, T, U, V, W, X, Y, Z$
If the above alphabet is written in the reverse order,which will be the eighth letter to the right of $O$?

Each of the following questions is based on the following alphabet series.
$A, B, C, D, E, F, G, H, I, J, K, L, M$
$N, O, P, Q, R, S, T, U, V, W, X, Y, Z$
Which letter is seventh to the right of the eighteenth letter from the right end of the alphabet?