Solution:

If you take away the T, it would be eatable.

Solution:

Simply push the cork into the bottle and shake the marble out.

Solution:

A Wedding Ring

Solution:

110 kms

72927+110 = 73037 , a palindrome

Solution:

Mount Everest

(discovered or not 'Mount Everest' will be highest)

Solution:

Mushroom

Solution:

The letter 'n'.

Solution:

Because they were all married and not single.

Solution:

There are 24 hours in a day and 26 Letters. Each letter is allotted one hour. Hence, letter Y and Z could not be interviewed because both exceeded the 24 hours Standard Time. Letter Y and Z are 25th and 26th respectively.

Solution:

JUPITER