Arrange the given words in the sequence in which they occur in the dictionary and then choose the correct sequence.
$1.$ Select $\,2.$ Seldom $\,3.$ Send $\,4.$ Selfish $\,5.$ Seller

Which three letters have the same distance as they have in the alphabetical order although they have changed places?

How many pairs of letters are there in the word $SHIFTED$ each of which has as many letters between its two letters as there are between them in the English alphabet?

How many meaningful four-letter English words can be formed with the letters $T, P, S, I$ using each letter only once in each word?

Number of letters skipped in between adjacent letters in the series increases by one. Which of the following series observes the rule given above?

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 every alternate letter starting from $B$ is deleted from the given alphabet,which of the following will be the tenth letter from the right end?