Correct Answer - Option 3 : 30

The correct answer is __30__.

- The '
**SUMSQ**' is the formula to **sum the squares** of the given numbers.
- Here, sum of squares of
**(1, 2, 3, 4) is 1+4+9+16 = 30**

- CONCATENATE is one of the easiest to learn but most powerful formulas when conducting data analysis.
- COUNTA identifies whether a cell is empty or not.
- DAYS is exactly what it implies. This function determines the number of calendar days between two dates.
- SUMIFS is one of the “must-know” formulas for a data analyst.