1.25
8. For a remainder of 2 when divided by 4, they must be 10, 14, 18, ..., 98 For a remainder of 1 when divided by 3, they must be 10, 13, 16, ..., 97 The overlap is 10, 22, 34, 46, 58, 70, 82, 94 - 8 numbers
8.25
16 divided by 4 is 4 so you can just and 1 to 16. 17 divided by 4= 4 remainder 1 or 4.25
16.25
Since the remainder is 0 when the numbers are divided by 3, then that number is a multiples of 3. For example, 45/3 = 15 remainder 0 45/4= 11 remainder 1 45/7 = 6 remainder 3
87 is one of infinitely many numbers that meet these requirements.
There are 11 such numbers.
1.25
8. For a remainder of 2 when divided by 4, they must be 10, 14, 18, ..., 98 For a remainder of 1 when divided by 3, they must be 10, 13, 16, ..., 97 The overlap is 10, 22, 34, 46, 58, 70, 82, 94 - 8 numbers
4
59
17 divided by 4 is 4 with remainder 1.
8.25
16 divided by 4 is 4 so you can just and 1 to 16. 17 divided by 4= 4 remainder 1 or 4.25
16.25
31.25