Pergunta de entrevista da empresa Accenture

Explain the model-view-control? What is monkey-branching? What is div in html? Explain what inheritance mean? I was also given the following question: you have 36 identical balls, and among them, one is defective as it weighs more than the rest and you are provided with a physical balance. What will be the minimum number of times you should use the physical balance to figure out the defective ball?