In MS-Excel 365, which of the following options is/are correct for naming the worksheet?  
i) The keyboard shortcut to add a new sheet in MS-Excel2010 is Shift + F11. ii) / \ ? in the name of the worksheet. * : can be any character from [ ]. iii) The worksheet can be renamed by right clicking on the sheet tab, clicking on Rename and typing the new name. iv) The name of the worksheet can be changed by double clicking on the Worksheet tab and typing the new name.