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SSC CHSL Mixed DI (2-graph sets)

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This page covers SSC CHSL Mixed DI (2-graph sets) with complete concept notes, 27 graded practice MCQs, key points and exam-specific tips. Free to study.

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Concept Notes

Mixed DI (2-graph sets)— Rules & Concept

1.Core Concept

Read this first — the foundation of the topic

Mixed DI tests your ability to extract information from multiple visual formats and combine them to solve complex problems. Questions often require data from both graphs to reach the answer

Key Rules

Always read both graph titles and legends carefully. Identify what each axis represents. Note the units and scales used. Check if data represents absolute numbers, percentages, or ratios.

Look for common elements between both graphs like time periods, categories, or subjects.

2.Exam Patterns

What examiners ask — read before attempting PYQs

SSC CGL typically asks 5 questions per set. Common question types include percentage calculations across graphs, ratio comparisons, finding averages, calculating differences, and trend analysis. Questions may ask for data from one graph only, but often require combining information from both.

3.Shortcuts

Use these to save 30–60 seconds per question
Scan Method

Quickly scan both graphs to understand the relationship between them before reading questions 2

Unit Conversion Trick

When graphs have different units (thousands vs lakhs), convert to same unit immediately to avoid calculation errors

4.Worked Example

Solve this step-by-step before moving on
1
Step 1

Extract production data for 2019 from Bar Chart = 60 thousand cars

2
Step 2

Extract export percentage for 2019 from Line Graph = 30%

3
Step 3

Calculate exported cars = 60,000 × 30/100 = 18,000 cars

4
Step 4

Convert to required unit = 18 thousand cars Answer: 18,000 cars or 18 thousand cars

5.Exam Traps

Common mistakes students make — avoid these

Students often use data from wrong years, mix up absolute numbers with percentages, forget unit conversions, or use data from only one graph when both are required. Another frequent error is misreading scales or legends, especially when graphs use different scales. Time Management: Spend 30 seconds understanding both graphs, then 90 seconds per question. Don't get stuck on complex calculations - use approximation when answer choices are far apart.

Key Points to Remember

  • Mixed DI combines two different graph types with related data themes
  • Always identify the relationship between both graphs before attempting questions
  • Check units and scales carefully - graphs may use different measurement units
  • Most questions require data from both graphs, not just one
  • Convert percentages to absolute numbers using: (Percentage × Total)/100
  • Read graph legends and axis labels completely to avoid misinterpretation
  • Use approximation when answer choices have significant gaps between them
  • Allocate 8-9 minutes total for 5 questions in mixed DI sets

Exam-Specific Tips

  • Mixed DI typically contributes 5 questions worth 10 marks in SSC CGL Tier-II
  • Bar Chart + Line Graph combination appears in 60% of mixed DI questions
  • Questions involving percentage calculations comprise 40% of mixed DI problems
  • Ratio and proportion questions account for 25% of mixed DI question types
  • Time period analysis questions appear in 80% of mixed DI sets
  • Average calculation questions feature in 30% of mixed DI problem sets
  • Unit conversion errors cause 35% of wrong answers in mixed DI sections
Practice MCQs

Mixed DI (2-graph sets) — Practice Questions

27graded MCQs · easy to hard · full solution & trap analysis · showing 20 of 27

All MCQs →
📊Data / Passage
Directions

Study the following tables and answer the questions. Table 1: Monthly Sales of Electronics Store (in ₹ thousands)

MonthLaptopsMobilesTabletsHeadphones
Jan1201809060
Feb14020010070
Mar16022011080
Apr15021010575
May17024012090

Table 2: Customer Count by Product Category

MonthLaptopsMobilesTabletsHeadphones
Jan409060120
Feb5010070140
Mar6011080160
Apr5510575150
May6512085180
Practice 1easy

Which product category had the highest total sales across all five months?

📊Data / Passage
Directions

Study the following tables and answer the questions. Table 1: Monthly Sales of Electronics Store (in ₹ thousands)

MonthLaptopsMobilesTabletsHeadphones
Jan1201809060
Feb14020010080
Mar160220110100
Apr180240120120
May200260130140

Table 2: Number of Units Sold

MonthLaptopsMobilesTabletsHeadphones
Jan409045120
Feb5010050160
Mar6011055200
Apr7012060240
May8013065280
Practice 2easy

What is the difference between total Tablet sales value in April and total Headphones sales value in April (in ₹ thousands)?

Practice 3easy

What is the total sales of Mobiles for the months January to May?

Practice 4easy

What is the average number of Headphone customers across all five months?

Practice 5easy

What is the total sales value (in ₹ thousands) of Mobiles for the months of January and February combined?

📊Data / Passage
Directions

Study the following tables and answer the questions. Table 1: Quarterly Sales (in lakhs ₹) of Five Companies

CompanyQ1Q2Q3Q4
Alpha120150180210
Beta100110121133
Gamma8096115138
Delta200190180170
Epsilon607590105

Table 2: Market Share (%) in Q4

CompanyMarket Share
Alpha25
Beta16
Gamma16.5
Delta20.5
Epsilon12.5
Others10
Practice 6medium

What is the ratio of Delta's Q4 sales to Alpha's Q4 sales?

📊Data / Passage
Directions

Study the following two tables and answer the questions. Table 1: Monthly Sales (in ₹ Lakhs) of Five Product Categories across Q1 2024

ProductJanuaryFebruaryMarch
Electronics455258
Clothing303336
Home & Garden252832
Sports202225
Books151618

Table 2: Quarterly Performance Metrics

ProductQ1 Total Sales (₹ Lakhs)Units Sold (Thousands)Profit Margin (%)
Electronics1555020
Clothing994525
Home & Garden854018
Sports673522
Books492830
Practice 7medium

What is the average monthly sales of Electronics for Q1 2024?

Practice 8medium

If Home & Garden sold 40,000 units in Q1 with a profit margin of 18%, what is the total profit earned (in ₹ Lakhs)?

Practice 9medium

What is the ratio of Q1 total sales of Books to Sports?

Practice 10medium

Which product category has the highest profit per unit sold in Q1 2024?

Practice 11medium

By what percentage did Clothing sales increase from January to March 2024?

Practice 12medium

By what percentage did Gamma's sales increase from Q1 to Q4?

Practice 13medium

What is the average quarterly sales of Beta company across all four quarters?

📊Data / Passage
Directions

Study the following two tables carefully and answer the questions that follow. TABLE 1: Quarterly Sales (in ₹ Lakhs) of Five Electronics Companies

CompanyQ1Q2Q3Q4
TechPro120150180210
EliteGear100110132154
DigitalMax90108129.6155.52
SmartTech140168201.6241.92
InnovateLabs110121133.1146.41

TABLE 2: Employee Strength and Production Output (Units) by Quarter

CompanyQ1 EmployeesQ2 EmployeesProduction Q1Production Q2Production Q3Production Q4
TechPro80100400500600700
EliteGear6066200220264308
DigitalMax5060300360432518.4
SmartTech10012070084010081209.6
InnovateLabs7077550605665.5732.05
Practice 14hard

By what percentage did TechPro's sales increase from Q1 to Q4?

Practice 15hard

Which company showed consistent 20% quarter-on-quarter growth in sales throughout all four quarters?

📊Data / Passage
Directions

Study the following two tables and answer the questions. Table 1: Quarterly Sales (in ₹ Lakhs) of Five Companies (2023)

CompanyQ1Q2Q3Q4
A150180210240
B200220240280
C120140160180
D180200220260
E100130170200

Table 2: Market Share (in %) and Profit Margin (in %) for Each Company in Q4 2023

CompanyMarket ShareProfit Margin
A2015
B2518
C1512
D2216
E1814
Practice 16hard

Which company showed the highest total sales growth (Q1 to Q4) and what was the growth amount (in ₹ Lakhs)?

Practice 17hard

If employee productivity (in units per employee) remains constant for a company from Q1 to Q2, which company CANNOT maintain this condition based on the given data?

📊Data / Passage
Directions

Study the following two tables and answer the questions. TABLE 1: Quarterly Sales (in lakhs ₹) of Five Companies (2023)

CompanyQ1Q2Q3Q4
Alpha120150180210
Beta100120140160
Gamma80100120140
Delta90108130156
Epsilon110132158190

TABLE 2: Profit Margin (%) for Each Company by Quarter

CompanyQ1Q2Q3Q4
Alpha20222528
Beta18202225
Gamma15161820
Delta16182022
Epsilon22242628
Practice 18hard

What is the ratio of total sales of Alpha in all four quarters to total sales of Gamma in all four quarters?

Practice 19hard

If Beta's Q3 profit was 30.8 lakhs, what was its actual profit margin in Q3 (to nearest whole number)?

📊Data / Passage
Directions

Study the following two tables and answer the questions. TABLE 1: Quarterly Sales (in lakhs ₹) of Five Companies (2023)

CompanyQ1Q2Q3Q4
Alpha120150180210
Beta100110121133
Gamma8096115138
Delta200190180170
Epsilon607590105

TABLE 2: Profit Margin (%) for Each Company Across Quarters

CompanyQ1Q2Q3Q4
Alpha15161820
Beta12131415
Gamma10121518
Delta25242220
Epsilon8101214
Practice 20hard

What is the difference between the total sales of Delta and Epsilon across all four quarters of 2023?

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60-Second Revision — Mixed DI (2-graph sets)

  • Remember: Read both graph titles and establish the connection between datasets
  • Formula: Percentage to absolute = (Percentage × Base value)/100
  • Trap: Watch for different units between graphs - convert immediately
  • Strategy: Scan both graphs for 30 seconds before reading any question
  • Check: Verify which graph contains the data needed for each calculation step
  • Tip: Use elimination method when calculations become too complex
  • Time: Maximum 90 seconds per question, move on if stuck beyond this limit
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