Question

A)how do we insert and delete rows and column in a worksheet.

Answer 1

we can insert a new row in a worksheet  by selecting the row after which we want to insert another row and doing right click for the mouse and clicking on insert. For deleting the rows you can select the particular row and then right click on that pro and click on delete option

Answer 2

1) select the rows to be deleted

2) click delete option available in ribbon under home menu

3)select delete sheet rows from the drop down list.

to insert:
1)set the cell pointer where you want to insert a row
2)click insert buttn present on ribbon under home menu
3) click insert sheet rows