Answer:
What word when read from left to right is a ruler, but when read from right to left is a servant?
What is easy to get into but hard to get out of?
I am all around you but you cannot see me. I have no throat but you can hear me. Valued during summer but despised in the winter.
The letter S is added to pluralise most words in the English language. eg. Letter to Letters Word to Words and Language to Languages. But I am a word that is pluralised with the addition of the letter C.
Railroad Crossing, look out for the cars. Can you spell that, without any R's?
What an fill a room but takes up no space?