In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.
In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word. Representation
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. Boxing, Tennis Doubles,Volleyball, ?