There are 1,000 positive integers between 1,000 and 9,999, inclusive, that are divisible by nine.
750
There are 3168 such numbers.
Infinitely many, since every positive number is a square of some other number. However, there are 21 perfect squares (SQUARES OF INTEGERS). From 112 to 312, inclusive.
90
There are 1,000 positive integers between 1,000 and 9,999, inclusive, that are divisible by nine.
128 of them.
Of the 729 numbers that satisfy the requirement of positive integers, 104 are divisible by 7.
193 of them are divisible by one (or more) of the given numbers.
There are 22 integers between them.
7
10
Every number from 100 to 999 inclusive !
6 positive integers. 0,1,2,3,4 & 5
There are two.
The positive integers up to 4 are: 1, 2, 3, and 4. This is a total of four positive integers.
750