Study Material — 51 PYQs (2018–2020) · Concept Notes · Shortcuts
AFCAT Bar Charts is a frequently tested subtopic — 51 previous year questions from 2018–2020 papers are included below with concept notes, key rules and shortcut tricks.
51 questions from actual AFCAT papers · all shown free · click option to reveal solution
Exam Q 12020Previous Year Pattern
What is the total sales of Electronics category across all four quarters?
Exam Q 22019Previous Year Pattern
What is the ratio of Q2 sales of Product B to Q2 sales of Product D?
Exam Q 32019Previous Year Pattern
What is the ratio of Q2 sales of Gamma to Q2 sales of Delta?
Exam Q 42019Previous Year Pattern
What is the average quarterly sales of Product C?
Exam Q 52019Previous Year Pattern
Which product has the highest sales in Q4?
Exam Q 62019Previous Year Pattern
Which company has the highest sales in Q3?
Exam Q 72019Previous Year Pattern
What is the total sales of Alpha company across all four quarters?
Exam Q 82019Previous Year Pattern
What is the average quarterly sales of Delta company?
Exam Q 92019Previous Year Pattern
By what percentage did Product E's sales increase from Q1 to Q4?
Exam Q 102020Previous Year Pattern
What is the ratio of Q4 sales of Books & Media to Q4 sales of Sports & Outdoors?
Exam Q 112020Previous Year Pattern
By what percentage did Store B's sales increase from January to May?
Exam Q 122020Previous Year Pattern
Which store showed a consistent decrease in sales from January to May?
Exam Q 132020Previous Year Pattern
What is the average monthly sales of Store D over the five months?
Exam Q 142020Previous Year Pattern
What is the difference between the total sales of Store E and Store C over all five months?
Exam Q 152020Previous Year Pattern
Which product category had the highest total sales across all four quarters?
Exam Q 162020Previous Year Pattern
By what percentage did Clothing sales increase from Q1 to Q4?
Exam Q 172019Previous Year Pattern
What is the percentage increase in sales of Beta from Q1 to Q4?
Exam Q 182019Previous Year Pattern
What is the total sales of Product A across all four quarters?
Exam Q 192020Previous Year Pattern
What is the total sales of Store A across all five months?
Exam Q 202019Previous Year Pattern
In Q2, what is the difference between total sales of Smartphones and Tablets combined versus Software and Accessories combined (in lakhs)?
Exam Q 212018Previous Year Pattern
What is the ratio of total sales of Company A to total sales of Company C over all four years?
Exam Q 222019Previous Year Pattern
What is the total sales revenue for the Clothing category across all four quarters?
Exam Q 232019Previous Year Pattern
What is the ratio of Q2 sales of Home & Kitchen to Q2 sales of Sports?
Exam Q 242019Previous Year Pattern
By what percentage did Smartphones sales increase from Q1 to Q4?
Exam Q 252018Previous Year Pattern
The sales of Company A in 2023 is what percentage more than the sales of Company E in 2022?
Exam Q 262018Previous Year Pattern
What is the percentage increase in sales of Company E from 2019 to 2022?
Exam Q 272019Previous Year Pattern
What is the average quarterly sales (in lakhs) for Laptops across all four quarters?
Exam Q 282018Previous Year Pattern
What is the ratio of total sales of Company A to total sales of Company B over all four years?
Exam Q 292019Previous Year Pattern
Which product category shows a consistent quarter-on-quarter growth of exactly 30 lakhs in each quarter?
Exam Q 302020Previous Year Pattern
What is the percentage increase in sales of Epsilon from Q1 to Q4?
Exam Q 312020Previous Year Pattern
What is the ratio of Q4 sales of Alpha to Q4 sales of Gamma?
Exam Q 322019Previous Year Pattern
By what percentage did Electronics sales increase from Q1 to Q4?
Exam Q 332018Previous Year Pattern
What is the ratio of total sales revenue of Alpha in 2020 and 2021 combined to the total sales revenue of Beta in 2022 and 2023 combined?
Exam Q 342018Previous Year Pattern
In which year was the combined sales of Company B and Company E together the highest?
Exam Q 352018Previous Year Pattern
In which year was the total combined sales of all five companies the highest, and what was that total (in ₹ Lakhs)?
Exam Q 362020Previous Year Pattern
What is the average Q2 sales across all five companies?
Exam Q 372019Previous Year Pattern
What is the average quarterly sales for Books across all four quarters?
Exam Q 382019Previous Year Pattern
In Q3, which product category had sales equal to 50% of Electronics sales in that quarter?
Exam Q 392019Previous Year Pattern
What is the ratio of Q3 sales of Tablets to Q3 sales of Accessories?
Exam Q 402018Previous Year Pattern
In 2022, the combined sales of Company A and Company D is what percentage of the combined sales of Company B and Company E in the same year?
Exam Q 412018Previous Year Pattern
The sales of Company B in 2021 is what percentage more or less than the sales of Company D in the same year?
Exam Q 422018Previous Year Pattern
By what percentage did the sales of Company D increase from 2020 to 2023?
Exam Q 432018Previous Year Pattern
What is the average sales (in ₹ Lakhs) of Company C over all four years?
Exam Q 442019Previous Year Pattern
In Q3, what is the difference between the combined sales of Electronics and Home & Kitchen and the combined sales of Books & Media and Sports & Outdoors?
Exam Q 452019Previous Year Pattern
What is the average quarterly sales of Home & Kitchen category for the entire year?
Exam Q 462019Previous Year Pattern
In Q3, which product category's sales were closest to the average sales of all categories in that quarter?
Exam Q 472019Previous Year Pattern
What is the ratio of total annual sales of Electronics to total annual sales of Books & Media?
Exam Q 482019Previous Year Pattern
What is the average quarterly sales of Sports & Outdoors across all four quarters?
Exam Q 492019Previous Year Pattern
By what percentage did Home & Kitchen sales increase from Q1 to Q4?
Exam Q 502019Previous Year Pattern
By what percentage did the sales of Clothing category increase from Q1 to Q4?
Exam Q 512019Previous Year Pattern
What is the ratio of total sales of Electronics in Q1 and Q2 combined to total sales of Clothing in Q3 and Q4 combined?
Concept Notes
Bar Charts— Rules & Concept
Core ConceptRead this first — the foundation of the topic
Bar Charts are visual representations of data using rectangular bars. The length or height of each bar represents the value of data. In SSC CGL, bar charts are a high-frequency topic appearing in almost every paper. Core Concept: A bar chart displays data through bars where each bar's dimension (height in vertical charts, length in horizontal charts) shows the quantity or value. The bars can be grouped, stacked, or simple depending on data presentation.
Key RulesCore rules you must know cold
Bar charts have two axes - horizontal (x-axis) and vertical (y-axis). One axis shows categories while the other shows values. Bars should have equal width and proper spacing. Scale must be uniform and clearly marked.
Formula BlockMemorise — at least one formula appears in every paper
• Percentage = (Part/Whole) × 100
• Percentage Increase = [(New Value - Old Value)/Old Value] × 100
• Percentage Decrease = [(Old Value - New Value)/Old Value] × 100
• Average = Sum of all values / Number of values
• Ratio = Value A : Value B
Exam PatternsWhat examiners ask — read before attempting PYQs
SSC CGL typically asks 4-5 questions from bar charts. Common question types include: finding totals, averages, percentages, ratios, maximum/minimum values, and year-on-year comparisons. Multi-bar charts showing data for different categories across years are very common.
ShortcutsUse these to save 30–60 seconds per question
1
#1 - Quick Percentage: For percentage questions, use the formula (Target Value/Base Value) ×
2
Always identify which value is the base correctly.
Shortcut Trick #2 - Ratio Simplification: When finding ratios, divide both numbers by their HCF. For example, 240:180 becomes 4:3 by dividing by
3
Shortcut Trick #3 - Average Formula: Instead of adding all values and dividing, use: Average = (Sum of products of each value and frequency) / Total frequency.
Worked ExampleSolve this step-by-step before moving on
Apply formula - Percentage increase = [(100-40)/40] × 100
3
Step 3
Calculate - (60/40) × 100 = 1.5 × 100 = 150%
Answer: 150% increase
Worked Example 2: A bar chart shows production of three items P, Q, R in 2021: P=120, Q=80, R=200. Find the ratio of P to total production.
Exam TrapsCommon mistakes students make — avoid these
#1: Students often confuse the base value in percentage calculations. Always remember - percentage increase/decrease is calculated with respect to the original (earlier) value, not the final value. This is the most frequent error in bar chart questions.
Another common error is misreading the scale or units.
Always check if values are in units, tens, hundreds, thousands, or lakhs. Missing a zero in calculation can cost marks.
Time-saving tip: In complex calculations, use approximation when answer choices are far apart. Round numbers to nearest 10 or 100 for quick mental math.
Key Points to Remember
Bar height or length directly represents the data value - read scales carefully
Percentage formula: (Part/Whole) × 100 - identify the correct base value
For percentage change: [(New-Old)/Old] × 100 for increase, positive result
Quick ratio trick: Divide both numbers by their HCF for simplest form
Average = Sum of all values ÷ Number of values - basic but crucial
Always check units mentioned (lakhs, crores, thousands) before calculating
Maximum and minimum values can be spotted visually from bar heights
For year-on-year comparison, subtract consecutive year values
Multiple bar charts show different categories - read legends carefully
Approximation saves time when answer choices are significantly different
Exam-Specific Tips
Bar charts appear in 80% of SSC CGL Tier-1 question papers with 4-5 questions
Standard bar chart questions carry 2 marks each in SSC CGL format
Vertical bar charts are 3 times more common than horizontal ones in SSC papers
Multi-year comparison questions account for 60% of bar chart problems
Percentage-based questions form 70% of all bar chart queries in SSC
Average time per bar chart question should be 1.5-2 minutes maximum
Scale misreading causes 40% of student errors in bar chart questions
Grouped bar charts showing 3-5 categories are most frequently tested format
Practice MCQs
Bar Charts — Practice Questions
70graded MCQs · easy to hard · full solution & trap analysis · showing 20 of 70