Question 618043
Here are the list of all multiples from 100 to 324:


114, 117, 120, {{{123}}}, 126, 129, {{{132}}}, {{{135}}}, {{{138}}}, 141, 144, 147, 150, {{{153}}}, 156, 159, 162, 165, 168, 171, 174, 177, 180, {{{183}}}, 186, 189, 192, 195, 198, 201, 204, 207, 210, {{{213}}}, 216, 219, 222, 225, 228, {{{231}}}, {{{234}}}, {{{237}}}, 240, {{{243}}}, 246, 249, 252, 255, 258, 261, 264, 267, 270, {{{273}}}, 276, 279, 282, 285, 288, 291, 294, 297, {{{300}}}, {{{303}}}, {{{306}}}, {{{309}}}, {{{312}}}, {{{315}}}, {{{318}}}, {{{321}}}, {{{324}}}


The digit 33 occurs 22 times.