3, 6, 9, 12, 15 and keep adding three till you get to 99.
There are 2,966 numbers between 100 and 9,000 that are divisible by three.
There are 27 numbers between 1 and 100 that are divisible by three but not by five.
There are 66 numbers between 1 and 100 that are divisible by two or three.
There are 75 whole numbers from 100 to 999 that are divisible by both three and four.
101
Three.
Three.
There are eight pairs of numbers divisible by three that sum to 150, and 75 is also divisible by three, so: sum = 17 * 75 = 750 + 525 = 1275
The numbers divisible by nine up to a 100 are 9,18,27,36,45,54,63,72,81,90,and,99
Any number ending in 00 is divisible by 100.
There are 14 numbers between 1 & 100 that are divisible by 7.
Any numbers that are not multiples of three.