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IBPS Clerk Pie Charts

Study Material — 27 PYQs (2023–2023) · Concept Notes · Shortcuts

IBPS Clerk Pie Charts is a frequently tested subtopic — 27 previous year questions from 2023–2023 papers are included below with concept notes, key rules and shortcut tricks.

27 PYQs
2023–2023
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Previous Year Questions

IBPS Clerk Pie Charts — Past Exam Questions

27 questions from actual IBPS Clerk papers · all shown free · click option to reveal solution

Exam Q 12023Previous Year Pattern

What is the combined sales value (in lakhs) of Clothing and Books & Media categories?

Exam Q 22023Previous Year Pattern

By what amount (in lakhs) do Electronics sales exceed Sports & Outdoors sales?

Exam Q 32023Previous Year Pattern

What is the sales value (in lakhs) of the Home & Kitchen category?

Exam Q 42023Previous Year Pattern

What is the ratio of Electronics sales to Clothing sales?

Exam Q 52023Previous Year Pattern

What is the sales value (in lakhs) of the Electronics category?

Exam Q 62023Previous Year Pattern

What is the combined sales value (in lakhs) of Clothing and Books & Media categories?

Exam Q 72023Previous Year Pattern

What is the ratio of Sports & Outdoors sales to Books & Media sales?

Exam Q 82023Previous Year Pattern

If Home & Kitchen sales increase by 25% next year while total sales remain ₹5,000 lakhs, what will be the new percentage share of Home & Kitchen?

Exam Q 92023Previous Year Pattern

What is the sales value (in lakhs) of the Electronics category?

Exam Q 102023Previous Year Pattern

What is the ratio of Hardware sales to Services sales?

Exam Q 112023Previous Year Pattern

What is the sales value (in ₹ lakhs) of the Electronics category?

Exam Q 122023Previous Year Pattern

The combined sales of Electronics and Software together represent what percentage of total sales?

Exam Q 132023Previous Year Pattern

If Hardware sales increase by 25% next year while total sales remain ₹5,000 lakhs, what will be the new percentage share of Hardware?

Exam Q 142023Previous Year Pattern

What is the difference between the production of Unit A and Unit B in the current year?

Exam Q 152023Previous Year Pattern

If Unit C's production is 9,000 units, what is the total production of Units D and E combined?

Exam Q 162023Previous Year Pattern

What will be Unit A's production in the next year after a 25% increase?

Exam Q 172023Previous Year Pattern

What is the ratio of Unit B's current production to Unit D's current production?

Exam Q 182023Previous Year Pattern

After the changes in the next year, what will be the combined production of Units A and B?

Exam Q 192023Previous Year Pattern

By what percentage did Smartphones revenue increase from last year to the current year?

Exam Q 202023Previous Year Pattern

If Wearables revenue in the current year follows the same growth pattern (₹80 crores increase), what was the Wearables revenue last year?

Exam Q 212023Previous Year Pattern

What is the combined revenue of Wearables and Accessories in the current year, and by how much does it exceed the Laptops revenue?

Exam Q 222023Previous Year Pattern

The revenue from Laptops increased by ₹100 crores from last year to the current year. What is the percentage growth rate for Laptops, and how does it compare to Smartphones' growth rate?

Exam Q 232023Previous Year Pattern

What was the production of the Electronics division in 2022 (in thousand units)?

Exam Q 242023Previous Year Pattern

If the Automotive division's production decreased by 10% from 2022 to 2023, what was its 2022 production (in thousand units)?

Exam Q 252023Previous Year Pattern

What is the ratio of production of Chemicals division to Pharmaceuticals division in 2023?

Exam Q 262023Previous Year Pattern

In 2022, if the average production per division was 450 thousand units and Consumer Goods maintained constant production of 150 thousand units, what was the combined production of Electronics, Automotive, and Pharmaceuticals divisions in 2022?

Exam Q 272023Previous Year Pattern

What is the difference (in ₹ crores) between the revenue generated from Smartphones and Tablets in the current year?

Concept Notes

Pie Charts— Rules & Concept

Core ConceptRead this first — the foundation of the topic

Pie charts are circular diagrams that show how a whole is divided into parts. Think of a pizza cut into slices - each slice represents a portion of the total. In SSC CGL, pie charts appear in 80% of papers, usually with 2-3 questions worth 6-9 marks.

Key RulesCore rules you must know cold

The complete circle equals 360 degrees. Each part is shown as a sector (slice). The angle of each sector is proportional to the data it represents. All sectors together must equal 360 degrees or 100%.

Formula BlockMemorise — at least one formula appears in every paper

Block:

• Central Angle = (Value/Total Value) × 360°
• Percentage = (Value/Total Value) × 100
• Value = (Central Angle/360°) × Total Value
• Ratio Formula: If angle is θ°, then ratio = θ/360
Exam PatternsWhat examiners ask — read before attempting PYQs

SSC asks three main question types. First, direct calculations from given percentages or angles. Second, comparison questions asking 'how much more' or 'what is the ratio'. Third, application problems combining pie charts with other topics like profit-loss or averages. Powerful Shortcut #1 - The 36° Rule: Since 360° = 100%, then 36° = 10%.

This means 18° = 5%, 72° = 20%, 108° = 30%. Memorize these common angle-percentage pairs to solve questions in 10 seconds. Shortcut #2 - Direct Proportion Method: Instead of calculating percentages, use direct ratios. If sector A has 60° and sector B has 120°, then B is exactly double A. No complex calculations needed.

Worked ExampleSolve this step-by-step before moving on
1
Step 1

Marketing angle = 72°

2
Step 2

Using formula: Value = (72°/360°) × 50,000

3
Step 3

= (1/5) × 50,000 = ₹10,000 Alternate Quick Method: 72° = 20% (using 36° rule), so 20% of 50,000 = ₹10,000 Worked Example 2: In a pie chart showing student preferences, Cricket gets 126°, Football gets 90°, Hockey gets 54°. What percentage more students prefer Cricket over Hockey?

1
Step 1

Cricket = 126°, Hockey = 54°

2
Step 2

Difference = 126° - 54° = 72°

3
Step 3

72° = 20% (using shortcut)

4
Step 4

Hockey percentage = 54°/360° = 15%

5
Step 5

Cricket percentage = 126°/360° = 35%

6
Step 6

Cricket is 35% - 15% = 20% more than Hockey Shortcut #3 - The Remainder Trick: When some sectors are given and you need to find the remaining sector, don't calculate each percentage. Simply subtract given angles from 360°. If three sectors are 80°, 120°, and 70°, the fourth sector is 360° - 270° = 90°. Most Common Trap - The Percentage vs Angle Confusion: Students often mix up

When to UseQuickly decide which method to apply in the exam

percentages and when to use angles. Remember: if the question gives percentages, convert to angles by multiplying by 3.6.

If it gives angles, convert to percentages by dividing by 3.6. This single mistake costs students 2-3 marks per paper. Another Critical Error: Students forget that pie charts represent parts of a whole.

You cannot add values from two different pie charts directly unless they have the same total value. Always check if the total values are same before making comparisons. Pro Tip for Complex Questions: When pie charts combine with other topics, first extract the basic values from the pie chart, then apply the second concept.

Don't try to solve everything in one step.

Key Points to Remember

  • Complete pie chart always equals 360° or 100%
  • Formula: Central Angle = (Value/Total) × 360°
  • Quick conversion: 36° = 10%, so 72° = 20%, 108° = 30%
  • Shortcut: Use direct ratios instead of calculating percentages
  • Remainder formula: Missing sector = 360° - sum of given sectors
  • Each sector angle is proportional to the data value it represents
  • Percentage to angle: multiply by 3.6, angle to percentage: divide by 3.6
  • Never directly compare values from different pie charts with different totals
  • For 'how much more' questions, find the difference in percentages or angles
  • Most questions test either direct calculation or comparison between sectors

Exam-Specific Tips

  • A complete circle has exactly 360 degrees
  • 1% of pie chart equals 3.6 degrees
  • Common sector angles: 90° = 25%, 120° = 33.33%, 180° = 50%
  • If a sector shows 15% data, its central angle is 54°
  • Two sectors with angles 40° and 80° are in ratio 1:2
  • Maximum possible sectors in a readable pie chart is typically 8-10
  • Semi-circle in pie chart represents exactly 50% of total data
  • Quarter circle (90°) represents exactly 25% of total data

60-Second Revision — Pie Charts

  • Remember: 360° = 100%, so 36° = 10% for quick calculations
  • Formula: Value = (Angle/360°) × Total Value
  • Trap: Never mix percentages with angles - convert first
  • Shortcut: Use direct ratios instead of complex percentage calculations
  • Quick check: All sector angles must add up to exactly 360°
  • For comparisons: Find difference in angles, then convert to percentage if needed
  • Pro tip: Extract pie chart values first, then apply other mathematical concepts
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