If with the third,fourth,fifth,seventh and tenth letters of the word $PERSONALITY$,a meaningful word is formed,then the first letter of the word is the answer. If no word is possible,then $X$ is the answer.

How many meaningful words can be made from the letters $AEHT$,using each letter only once?

Arrange the given names in the order in which they would occur in a telephone directory and choose the one that comes in the middle.

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

If it is possible to make a meaningful word with the third,the fifth,the seventh and the tenth letters of the word $PROJECTION$,which of the following is the third letter of that word? If no such word can be made,give $X$ as the answer. If more than one such word can be made,give $M$ as the answer.

How many such pairs of letters are there in the word $PHYSICAL$,each of which has as many letters between them in the word as they have in the English alphabet?