Question 20 (4 points)

In a listbox, the IndexOf property

Question 20 options:

	Returns a String with the value of the first occurrence of an item
	Returns a String with the values of all the occurrences of an item
	Returns an integer with the index of all the occurrences of an item
	Returns an integer with the index of the first occurrence of an item

Question 21 (4 points)

The SelectedIndex property of a ListBox returns a String datatype

Question 21 options:

	True
	False

What will be the final value of intCount? int intCount = 3; do { intCount = intCount + 6; } while (intCount < 20);

Question 22 options:

	15
	20
	21
	9

Question 23 (4 points)

Which of the following statements will assign a random number between 1 and 50 inclusive to intNum?

Question 23 options:

	intNum = rand.Next(50) + 1;
	intNum = rand.Next(50);
	intNum = rand.Next(1, 50);
	intNum = rand.Next();

Question 24 (4 points)

The first item in a ListBox has an index of ________.

Question 24 options:

	Items.Count
	1
	-1
	0