Q 1:What is a Formula? Explain with the help of examples. Ans:FORMULAS are used to perform calculations involving addition,subtraction,division and multiplication. It establishes a relationship between two or more cells. For example: A3=A1+A2 Q 2:What is a cell reference? Mention its types. Ans:The cell address in the formula is known as the cell reference. There are 3 Types of cell references: 1:Relative Reference. 2:Absolute Reference. 3:Mixed reference. Q 3:What do you know about Absolute Reference? Explain with the help of an example. Ans:Absolute reference is used when we do not want to change the address of the cell on copying the formula to other cell. To make absolute reference of a formula, add dollar ($) before the column and row number. Q 4:How will you rename a sheet tab? Ans:Follow the steps given below: 1.Right-click on the sheet in the worksheet 2.A short cut menu will appear.Click on rename option. 3.The cursor will appear in sheet tab type "KIPS...