86) Which scope does the variable declared with dim and remains in the existence only as long as the procedure in which if is declared is running?

87) What will be the output of the following VBA code?
Sub test()
a = 9
Debug.Print Sqr(a)
End sub

88) What will be the output for the following VBA code?Debug.print
DateDiff('yyyy','1/12/2016','31/1/2017')

89) What will be the output of the following VBA code?
Sub test()
x = 'institue'
Debug.print Format(x,'>')
End sub

90) What will be the output of the following VBA code?
Sub test()
Dim S AS string
S = 'wholehearted'
Debug.Print mid(s,6,4)
End sub