[" Has lushkoff become a begger "],[" by Eircrumstance orby choice."]

Has Lushkoff become a beggar by circumstance or by choice?

Why has the dodo become extinct?

During their conversation Lushkoff reveals that Sergei’s cook, Olga, is responsible for the positive change in him. How has Olga saved Lushkoff?

Why does our mouth becomes watery when we eat the food of our choice ?

A test consists of 10 multiple choice questions . In how many ways can the test be answered if (i) Each question has four choices ? (ii) The first four questions have three choices and the remaining have five choices ? (iii) Question number n has n + 1 choices ?