Identify the variables, constants, terms and number of terms in each of the following expressions:
 
(I) 13+c 
 
(II) 16+13c
 
(III) 5c+11b+13
 
(IV) 27+16b+5c
 
S.NoExpressionsVariablesConstantTermsNumber of terms
 (I) 13+c   ,
 (II) 16+13c   ,
 (III) 5c+11b+13 ,   , ,
 (IV) 27+16b+5c ,   , ,