As far as integers are concerned, 66 and 68. If we want to talk about all rational numbers, all real numbers, etc, there are infinitely many; for example, 66.99 and 67.01.
Yes it is.
Yes.
There are no numbers between 67 and 113 which are multiples of 65.
Two of them and they are 61 and 67
61, 67.
The prime numbers between 60 and 70 are 61 and 67.
80 and 100 are the only numbers between 67 and 113 that are multiples of 4,5 and 10.
The numbers between 67 and 113 that are multiples of 2, 4, and 5 are 80 and 100.
The prime numbers between 60 and 80 are 61, 67, 71, and 73.
The prime numbers between 52 and 76 are 53, 59, 61, 67, and 71.
The prime numbers between 65 and 75 are: 67, 71 and 73
67