I will need the right answer for this questions and explain why they are right

Question 5
a) Static – The static variable is common to all the instances of a class because it is a class level variable. A single copy of static variable is created and shared among all instances of class.
Question 10 e) run time error
This code will throw an array index out of bound exception will cause the last index present in the area will be 24 and it will cause runtime error.
Question 11 b) 1000 reference variables, each of which point to a single BankAccount entry
The declaration will reserve memory space for the...