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SSC MTS Mixed DI (2-graph sets)

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This page covers SSC MTS Mixed DI (2-graph sets) with complete concept notes, 21 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

21graded MCQs · easy to hard · full solution & trap analysis · showing 20 of 21

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📊Data / Passage

Directions

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

Month	Laptops	Mobiles	Tablets	Headphones
Jan	120	180	90	60
Feb	140	200	110	80
Mar	160	220	130	100
Apr	150	210	120	90
May	170	240	140	110

TABLE 2: Number of Units Sold

Month	Laptops	Mobiles	Tablets	Headphones
Jan	40	90	60	120
Feb	50	100	70	160
Mar	60	110	80	200
Apr	55	105	75	180
May	65	120	85	220

Practice 1easy

By what percentage did Laptop sales increase from January to May? (Use Table 1)

Practice 2easy

Which product had the highest total sales (in ₹ thousands) across all five months? (Use Table 1)

Practice 3easy

In March, what is the ratio of units sold of Headphones to Laptops? (Use Table 2)

📊Data / Passage

Directions

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

Month	Laptops	Mobiles	Tablets	Headphones
Jan	120	180	90	60
Feb	140	200	110	80
Mar	160	220	130	100
Apr	150	210	120	90
May	170	240	140	110

TABLE 2: Number of Units Sold

Month	Laptops	Mobiles	Tablets	Headphones
Jan	40	90	60	120
Feb	50	100	70	160
Mar	60	110	80	200
Apr	55	105	75	180
May	65	120	85	220

Practice 4easy

In May, what is the average price (in ₹) per unit of Tablets sold?

Practice 5easy

What is the total sales (in ₹ thousands) of Mobiles for the months of January to March?

Practice 6easy

By what percentage did Laptop sales increase from January to May?

Practice 7easy

Which product had the maximum total units sold from January to May?

Practice 8easy

What is the ratio of Laptop sales to Tablet sales in March?

Practice 9easy

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

📊Data / Passage

Directions

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

Company	Q1	Q2	Q3	Q4
Alpha	120	150	180	210
Beta	100	120	140	160
Gamma	80	100	120	140
Delta	90	110	130	150
Epsilon	110	130	150	170

TABLE 2: Employee Count (in numbers) for Same Companies

Company	Q1	Q2	Q3	Q4
Alpha	200	220	240	260
Beta	150	160	170	180
Gamma	100	110	120	130
Delta	120	130	140	150
Epsilon	140	150	160	170

Practice 10medium

What is the percentage increase in sales of Company Alpha from Q1 to Q4?

Practice 11medium

By what percentage did the employee count of Company Delta increase from Q1 to Q4?

📊Data / Passage

Directions

Study the following tables and answer the questions. Table 1: Monthly Sales (in ₹ Lakhs) of Two Companies - Alpha and Beta

Month	Alpha	Beta
January	45	60
February	50	55
March	55	65
April	60	70
May	70	75
June	80	80

Table 2: Profit Margin (%) for Both Companies

Month	Alpha	Beta
January	20	15
February	22	16
March	20	18
April	25	20
May	28	22
June	30	25

Practice 12medium

What is the ratio of total sales of Alpha to total sales of Beta for the 6-month period?

Practice 13medium

By what percentage did Alpha's sales increase from January to June?

Practice 14medium

What is the average profit (in ₹ Lakhs) earned by Beta in April and May combined?

Practice 15medium

What is the profit earned by Alpha in March (in ₹ Lakhs)?

Practice 16medium

What is the ratio of total employees of Company Gamma to Company Beta in Q4?

Practice 17medium

In Q3, what is the difference between total sales of Alpha and Gamma combined versus total employees of Beta and Delta combined?

📊Data / Passage

Directions

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

Product Category	Q1	Q2	Q3	Q4
Electronics	120	135	162	180
Clothing	80	88	99	110
Home & Garden	60	75	90	105
Sports	40	50	65	80
Books	20	24	28	32

Table 2: Profit Margin (%) for Each Product Category by Quarter

Product Category	Q1	Q2	Q3	Q4
Electronics	15	16	18	20
Clothing	20	22	24	25
Home & Garden	25	26	27	28
Sports	30	32	35	38
Books	40	42	44	45

Practice 18hard

In Q4, which product category generated the highest absolute profit, and what was that profit (in ₹ Lakhs)?

Practice 19hard

What is the total sales (in ₹ Lakhs) for Electronics across 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)

Company	Q1	Q2	Q3	Q4
Alpha	120	135	162	180
Beta	90	108	126	144
Gamma	150	140	130	120
Delta	80	100	120	140
Epsilon	110	121	133	146

TABLE 2: Employee Count and Profit Margin (%) for Each Company (End of Q4 2023)

Company	Employees	Profit Margin (%)
Alpha	240	15
Beta	180	12
Gamma	200	18
Delta	160	10
Epsilon	190	14

Practice 20hard

If the total annual sales of Alpha and Delta combined equal the total annual sales of Epsilon and Gamma combined, what would be the difference (in lakhs ₹)? (Calculate actual difference from given data)

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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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Month	Laptops	Mobiles	Tablets	Headphones
Jan	120	180	90	60
Feb	140	200	110	80
Mar	160	220	130	100
Apr	150	210	120	90
May	170	240	140	110

Month	Laptops	Mobiles	Tablets	Headphones
Jan	40	90	60	120
Feb	50	100	70	160
Mar	60	110	80	200
Apr	55	105	75	180
May	65	120	85	220

Month	Laptops	Mobiles	Tablets	Headphones
Jan	120	180	90	60
Feb	140	200	110	80
Mar	160	220	130	100
Apr	150	210	120	90
May	170	240	140	110

Month	Laptops	Mobiles	Tablets	Headphones
Jan	40	90	60	120
Feb	50	100	70	160
Mar	60	110	80	200
Apr	55	105	75	180
May	65	120	85	220

Month	Laptops	Mobiles	Tablets	Headphones
Jan	120	180	90	60
Feb	140	200	110	80
Mar	160	220	130	100
Apr	150	210	120	90
May	170	240	140	110

Month	Laptops	Mobiles	Tablets	Headphones
Jan	40	90	60	120
Feb	50	100	70	160
Mar	60	110	80	200
Apr	55	105	75	180
May	65	120	85	220

Month	Laptops	Mobiles	Tablets	Headphones
Jan	120	180	90	60
Feb	140	200	110	80
Mar	160	220	130	100
Apr	150	210	120	90
May	170	240	140	110

Month	Laptops	Mobiles	Tablets	Headphones
Jan	40	90	60	120
Feb	50	100	70	160
Mar	60	110	80	200
Apr	55	105	75	180
May	65	120	85	220

Month	Laptops	Mobiles	Tablets	Headphones
Jan	120	180	90	60
Feb	140	200	110	80
Mar	160	220	130	100
Apr	150	210	120	90
May	170	240	140	110

Month	Laptops	Mobiles	Tablets	Headphones
Jan	40	90	60	120
Feb	50	100	70	160
Mar	60	110	80	200
Apr	55	105	75	180
May	65	120	85	220

Month	Laptops	Mobiles	Tablets	Headphones
Jan	120	180	90	60
Feb	140	200	110	80
Mar	160	220	130	100
Apr	150	210	120	90
May	170	240	140	110

Month	Laptops	Mobiles	Tablets	Headphones
Jan	40	90	60	120
Feb	50	100	70	160
Mar	60	110	80	200
Apr	55	105	75	180
May	65	120	85	220