Study Material — 27 PYQs (2022–2022) · Concept Notes · Shortcuts
SSC MTS Bar Charts is a frequently tested subtopic — 27 previous year questions from 2022–2022 papers are included below with concept notes, key rules and shortcut tricks.
27 questions from actual SSC MTS papers · all shown free · click option to reveal solution
Exam Q 12022Previous Year Pattern
By what percentage did the sales of Sports category increase from January to June?
Exam Q 22022Previous Year Pattern
What is the ratio of Product B's sales in June to Product E's sales in June?
Exam Q 32022Previous Year Pattern
Which product category had the highest total sales across all six months?
Exam Q 42022Previous Year Pattern
What is the average sales of Product E from January to June?
Exam Q 52022Previous Year Pattern
By what percentage did Product A's sales increase from January to June?
Exam Q 62022Previous Year Pattern
What is the total sales of Product C for the first three months (Jan to Mar)?
Exam Q 72022Previous Year Pattern
Which product has the highest sales in the month of May?
Exam Q 82022Previous Year Pattern
What is the total sales of Electronics category for the first three months (January to March)?
Exam Q 92022Previous Year Pattern
In June, what is the difference between the sales of Electronics and Books categories?
Exam Q 102022Previous Year Pattern
What is the average monthly sales of the Clothing category from January to June?
Exam Q 112022Previous Year Pattern
What is the total sales revenue (in lakhs) for Laptops across all four quarters?
Exam Q 122022Previous Year Pattern
Which product category shows a consistent growth pattern of exactly 30 lakhs per quarter?
Exam Q 132022Previous Year Pattern
What is the total sales of Smartphones across all four quarters?
Exam Q 142022Previous Year Pattern
What is the average quarterly sales (in lakhs) for Tablets across all four quarters?
Exam Q 152022Previous Year Pattern
What is the average quarterly sales of Tablets?
Exam Q 162022Previous Year Pattern
In Q3, what is the ratio of Smartphones sales to Accessories sales?
Exam Q 172022Previous Year Pattern
In Q3, what is the ratio of Smartphones sales to Accessories sales?
Exam Q 182022Previous Year Pattern
By what percentage did Smartphones sales increase from Q1 to Q4?
Exam Q 192022Previous Year Pattern
By what percentage did Laptops sales increase from Q1 to Q4?
Exam Q 202022Previous Year Pattern
By what percentage did Electronics sales increase from Q1 to Q4?
Exam Q 212022Previous Year Pattern
Which plant showed the most consistent production across all quarters (smallest variation)?
Exam Q 222022Previous Year Pattern
What is the average quarterly sales for the Clothing category across all four quarters?
Exam Q 232022Previous Year Pattern
If the growth pattern continues, what will be the total sales (all categories combined) in Q5?
Exam Q 242022Previous Year Pattern
In Q3, what percentage of the total production across all five plants was contributed by Plant E?
Exam Q 252022Previous Year Pattern
What is the ratio of total annual production of Plant B to Plant E?
Exam Q 262022Previous Year Pattern
By what percentage did Plant A's production increase from Q1 to Q4?
Exam Q 272022Previous Year Pattern
What is the average quarterly production of Plant C across all four quarters?
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
60-Second Revision — Bar Charts
Remember: Bar height = data value, always check scale and units first
Formula: Percentage = (Part/Whole) × 100, identify base value correctly
Trap: Percentage change base is always the original/earlier value, never final
Shortcut: For ratios, divide by HCF; for approximation, round when answers differ significantly
Pattern: Multi-bar charts test comparisons, totals, averages, and year-on-year changes
Time-saver: Spot max/min visually, use mental math for simple calculations
Double-check: Units (lakhs/crores), legends in multi-category charts, and scale intervals