Correct Answer - Option 4 : 28

**Calculation:**

The number of multiples of 7 from 123 to 321 is

126, 133, 140, 147, 154, 161, 168, 175, 182, 189, 196, 203, 210, 217, 224, 231, 238, 245, 252, 259, 266, 273, 280, 287, 294, 301, 308, 315

Hence, Total numbers between them is 28

**∴ The number of multiples of 7 from 123 to 321 is 28**