Arrange the given words in alphabetical order and identify the one that comes last:
$Accumulate, Acquit, Actuate, Abandon, Achieve$

$A$ group of letters is given which are numbered $1, 2, 3, 4, 5$ and $6$. Below are given four alternatives containing combinations of these numbers. Select the combination of numbers so that the letters arranged accordingly form a meaningful word.
$H, N, R, C, A, B$
$1, 2, 3, 4, 5, 6$

Select the series in which the letters skipped in between adjacent letters decrease in order.

Arrange the given words in the sequence in which they occur in the dictionary and then choose the correct sequence.
$1.$ Intrinsic $2.$ Intrude $3.$ Intricate $4.$ Introvert $5.$ Intrigue $6.$ Introduce

Find which one word cannot be made from the letters of the given word.
$QUINTESSENCE$

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