Dividing till 100

Calculate:

Number of examples:
Numerical difficulty:
Range of values:
Multiplicity:

28	/	4	=
77	/	11	=
20	/	2	=
60	/	6	=
90	/	9	=
12	/	2	=
84	/	42	=
49	/	7	=
87	/	29	=
50	/	25	=