Alphabet Test Questions

How many independent words can 'HEARTLESS' be divided into without changing the order of the letters and using each letter only once ?  

From the word 'ASTOUNDER', how many independent words can be made with-out changing the order of the letters and using each letter only once ? 

Arrange the following words will come in middle if all of them are arranged alphabetically as in a dictionary?

If the sequence of the English alphabet is reversed then which letter is 7th to the left of second vowel from the right of English alphabet in the new series?

Find the next terms in the series

3G, 6H, 11J, 18M, ?

From the word 'LAPAROSCOPY' how many independent meaningful words can be made without changing the order of the letters and using each letter only once ? 

How many pairs of letters are there in the word 'HORIZON' which have as many letters between them in the word as in the English alphabet ?

Find the missing (?) in the series.

...., FHJ, KMO, PRT, ?