Solution:

100. Looks hard? Don't worry, just work it backwards and you'll find it very easy.

Solution:

Sweets

Solution:

Rooney eats the 'dates' on the calendar,gets water from the waterbed , and uses the piano key to escape :-)

Solution:

Just 1

Solution:

Tennis shoes

Solution:

A Balloon , It was Sonal's Birthday.

Solution:

BACK

All the others can also be read backwards as proper words.

Solution:

They all read the same rightside or upside down.

Solution:

Each word has 3 consecutive letters of the alphabet-
couGHIng (GHI)
thiRSTy (RST)
DEFiant (DEF)

Solution:

A Coin (has a head and tail)