Which of the following statements are correct about delegates? 1 Delegates are not type-safe. 2 Delegate is a user-defined type. 3 Only one method can be bound with one delegate object. 4 Delegates can be used to implement callback notificatio

Which of the following statements are correct about delegates?

1 Delegates are not type-safe.

2 Delegate is a user-defined type.

3 Only one method can be bound with one delegate object.

4 Delegates can be used to implement callback notification.

5 Delegates permit execution of a method on a secondary thread in an asynchronous manner.