What is time?
Answer :- Many people say that they count the time .but in real time is not countable. how ?

 
yes , time is not countable , suppose a work is done by many people ,and every people take different time to compete to do this work that mean the same work have different time period for every one .
 Its means time is not fix ,  and mathematical ,   countable unit have Constant   result.
And there is not constant result.