To change the default chart color in Word, follow these steps-Open the Microsoft Word on your computer. Add a chart, graph, etc. Choose a part of the graph to change the color.

Click "Close," and you see your color selection reflected in that portion of the pie chart. To change the color of another section of the pie chart, click on that section and repeat the process.

Graph colouring problem is a problem of assigning colours to nodes (subjects) in the graph (network) such that no two adjacent vertices have same colour. Graph colouring problem can be solved using : ...