21, 42, 63, 84, 105, 126, 147, 168, 189, 210, 231, 252, 273, 294, 315, 336, 357, 378, 399, 420, 441, 462, 483, 504, 525, 546, 567, 588, 609, 630, 651, 672, 693, 714, 735, 756, 777, 798, 819, 840, 861, 882, 903, 924, 945, 966, 987.
Multiples of 25 up to 1000 are: 25;50;75;100;125;150;175;200;225;250;275;300;325;350;375;400;425;450;475; 500;525;550;575;600;625;650;675;700;725;750;775;800;825;850;875;900;925;950;975;1000
All of its multiples from 3 to 999
All multiples of 12, such as 120, 600, 660.
250
21, 42, 63, 84.
Multiples of 25 up to 1000 are: 25;50;75;100;125;150;175;200;225;250;275;300;325;350;375;400;425;450;475; 500;525;550;575;600;625;650;675;700;725;750;775;800;825;850;875;900;925;950;975;1000
All of its multiples from 3 to 999
All multiples of 12, such as 120, 600, 660.
250
3, 9, 15, 21, 27, 33 and just keep adding 6 until you get to 999.
They are: 7 14 21 28 and 35
21, 42, 63, 84.
All multiples of 3 have digits that add up to a multiple of 3. There are 333 multiples of 3 between 1 and 1000.
Just 63
7, 14, 21 and just keep adding 7 until you get to 294.
There are 143 such numbers, too many to list.
3, 6, 9, 12, 15, 18, 21.