Correct option is A
Analysis of the Formula:
• SUM Function: The SUM function in Excel is used to add up numbers.
• Sheet Range Specification: The formula Sheet1:Sheet4!D18 specifies a range of sheets from Sheet1 to Sheet4.
• Cell Reference: D18 refers to cell D18 in each of the specified sheets.
The formula =SUM(Sheet1:Sheet4!D18) is telling Excel to:
• Go to each sheet from Sheet1 to Sheet4.
• Locate cell D18 in each of these sheets.
• Sum the values in cell D18 across all specified sheets.