# Google Sheets - Fundamentals (Data Analytics) > Basic formulas, references, conditional formatting, sorting, filtering, data validation - 20 interview questions - Junior - [Interview Questions: Data Analytics](https://sharpskill.dev/en/technologies/data-analytics/interview-questions.md) ## 1. Which cell reference designates the cell located in column B, row 5? **Answer** In Google Sheets, cell references always use the column letter followed by the row number. Column B with row 5 therefore gives B5. This notation allows for precise identification of each cell in a spreadsheet. ## 2. What is the difference between a relative reference (A1) and an absolute reference ($A$1)? **Answer** A relative reference automatically changes when copied to other cells, adapting to the new position. An absolute reference remains fixed regardless of where the formula is copied. Dollar signs lock the column and row, which is essential for referencing constant values in calculations. ## 3. Which formula calculates the sum of values from A1 to A10? **Answer** The SUM function adds all numbers in a specified range. The correct syntax uses a colon to define a continuous range of cells. This function is one of the most commonly used to quickly aggregate numerical data without having to add them manually one by one. ## 17 more questions available - Which function calculates the average of a range of cells? - What does the COUNT function do in Google Sheets? 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