Correct Answer  Option 3 : 409 points
The correct answer is 409 points.
 Rows can have a maximum height of 409 points.
 This number represents how many oneseventy seconds of an inch the row can hold.

The default size of an Excel row is 15, which correlates to 20 pixels or about onefifth of an inch.
Worksheet and workbook specifications and limits:
 Total number of rows and columns on a worksheet  1,048,576 rows by 16,384 columns
 Column width  255 characters
 Page breaks  1,026 horizontal and vertical
 Row height  409 points