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Charts & Graphs

Delhi Police / SSC Exams

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Data alone can be boring — but when you turn it into a chart, it becomes visual, clear, and powerful. Charts help you compare, analyze, and present data quickly in Excel.

What are Charts & Graphs?

A chart or graph is a visual representation of data. It helps identify patterns, trends, and comparisons easily.

Tip: Charts automatically update when your data changes!

Types of Charts You Must Know

Chart Type Purpose Example Use
Bar Chart Compare values across categories Compare sales by region
Pie Chart Show proportions or percentages Show expense distribution
Line Chart Show trends over time Monthly temperature or profit trend
Column Chart Similar to bar chart (vertical) Compare exam scores
Area Chart Emphasize total change over time Cumulative growth visualization

Note: For exam-level understanding, focus mainly on Bar, Pie, and Line charts.

Creating a Chart in Excel

Steps to Create Any Chart:

1

Select the data you want to visualize

2

Go to the Insert tab

3

Choose your chart type (Bar, Pie, or Line)

4

Customize using Chart Tools (titles, colors, legends, etc.)

Shortcut: Select your data → Press Alt + N + C → Insert chart instantly!

PYQs (Delhi Police – Computer Section)

1

Which type of chart is best suited for showing percentage distribution?

Category: Chart Types

Show Answer

Pie Chart

2

In Excel, which tab is used to insert a chart?

Category: Ribbon Navigation

Show Answer

Insert Tab

3

Which chart type is most useful to compare data of multiple items?

Category: Chart Types

Show Answer

Bar or Column Chart

4

What is the shortcut to quickly insert a chart in Excel?

Category: Shortcuts

Show Answer

Alt + F1 (or Alt + N + C)

5

A chart that shows trends or changes over time is —

Category: Chart Types

Show Answer

Line Chart

Excel Tricks for Charts

Double-click any chart element (title, bar, axis) to format instantly

Use F11 key to create a full sheet chart from selected data

Right-click → "Change Chart Type" to switch between chart styles quickly

Use contrasting colors for clarity during presentations or exams

Always label axes and title properly — it's a favorite MCQ area in exams!

Mini Assignment

Create a simple sales report of 4 products (Q1 to Q4 sales)

Requirements:

Insert a Bar Chart to compare product performance
Insert a Pie Chart to show percentage contribution
Insert a Line Chart to show sales trend across quarters

Additional Tasks:

  • Add chart titles
  • Include legends
  • Add data labels neatly
  • Format charts professionally

Recap

Bar Chart → Compare items

Pie Chart → Show percentages

Line Chart → Show trends over time

Insert charts via Insert Tab or Alt + F1 shortcut

Charts make data meaningful — and they're a regular PYQ topic in Delhi Police & SSC exams

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Developed By Jan Mohammad
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