500 of those numbers are odd. They are 1,3,5,...997,999
The multiples of 5 among the odd numbers are
5, 15, 25, 35, ..,985,995
There are 199 of them. That leaves 301 that are not multiples of 5.
How many positive integers less than 1000 are odd but not a multiple of 5
1 answer
1 answer