​Which of the following is the correct combination of a column letter and a row number that identifies a cell on a worksheet in MS Excel?​

Correct option is C

The correct combination of a column letter and a row number that identifies a cell on a worksheet in MS Excel is: 3. A3

• Column Letter: Represents the column (e.g., A, B, C, etc.).
• Row Number: Represents the row (e.g., 1, 2, 3, etc.).

For example, A3 refers to the cell located in column A and row 3 of the worksheet.