please solve fast

machine learning

1. Determine if the following is a regression or classification problem. [Marks: 4] a) Given a previous set of loan applications and approval status. The algorithm needs to determine if a new loan application should be approved or not. Answer: b) Given the match detail of Bangladesh vs England cricket match. The task is to determine if the Bangladesh wins the current series against England or not. Answer: 2. What is the difference between validation set and test set? [Marks: 4] (Answer Maximum in 4 lines.)