# Google Sheets - Advanced Formulas (Data Analytics) > VLOOKUP, INDEX/MATCH, ARRAYFORMULA, QUERY, IMPORTRANGE, pivot tables, named ranges - 20 interview questions - Junior - [Interview Questions: Data Analytics](https://sharpskill.dev/en/technologies/data-analytics/interview-questions.md) ## 1. Which function searches for a value in the first column of a range and returns a corresponding value from another column? **Answer** VLOOKUP (Vertical Lookup) searches for a value in the first column of a data range and returns the corresponding value from a specified column. The syntax is VLOOKUP(search_key, range, column_index, is_sorted). This function is one of the most commonly used for cross-referencing data between different tables in Google Sheets. ## 2. In the formula VLOOKUP(A2, B:D, 3, FALSE), what does the FALSE parameter mean? **Answer** The last parameter of VLOOKUP indicates the match type. FALSE means the search must find an exact match. If no exact value is found, the formula returns a #N/A error. With TRUE (or omitted), VLOOKUP uses an approximate match, which requires the data to be sorted in ascending order. ## 3. What is the main limitation of VLOOKUP compared to INDEX/MATCH? **Answer** VLOOKUP can only search in the first column of the specified range and return a value to the right. If the lookup column is to the right of the result column, VLOOKUP does not work. INDEX/MATCH does not have this restriction and can search in any direction, making it a more flexible combination. ## 17 more questions available - What is the difference between VLOOKUP and HLOOKUP? - How does the INDEX/MATCH combination work to look up a value? 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