In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation.
A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series. nephew, anther, tenses, prunes, preens, ?
In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?