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SBI PO Pie Charts

Study Material — 20 PYQs (2023–2023) · Concept Notes · Shortcuts

SBI PO Pie Charts is a frequently tested subtopic — 20 previous year questions from 2023–2023 papers are included below with concept notes, key rules and shortcut tricks.

20 PYQs
2023–2023
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Previous Year Questions

SBI PO Pie Charts — Past Exam Questions

20 questions from actual SBI PO papers · all shown free · click option to reveal solution

Exam Q 12023Previous Year Pattern

If Accessories sales increase by 25%, what will be the new sales value for Accessories (in lakhs)?

Exam Q 22023Previous Year Pattern

What is the sales revenue (in lakhs) generated from Smartphones in Q4 2023?

Exam Q 32023Previous Year Pattern

By what amount (in lakhs) do Smartphones sales exceed Laptops sales?

Exam Q 42023Previous Year Pattern

What is the sales value (in lakhs) for the Smartphones category?

Exam Q 52023Previous Year Pattern

Which two product categories together account for exactly 40% of total sales?

Exam Q 62023Previous Year Pattern

What is the ratio of sales from Tablets to the combined sales of Smartphones and Laptops?

Exam Q 72023Previous Year Pattern

If Accessories sales increased by 25% from FY2022 to FY2023, what were the Accessories sales in FY2022 (in ₹ crores)?

Exam Q 82023Previous Year Pattern

What is the difference between the sales of Smartphones and Tablets in FY2023?

Exam Q 92023Previous Year Pattern

What is the combined sales of Tablets and Accessories as a percentage of total sales?

Exam Q 102023Previous Year Pattern

If Laptops sales decreased by 10% from FY2022 to FY2023, what were the Laptops sales in FY2022?

Exam Q 112023Previous Year Pattern

What is the difference in sales (in ₹ crores) between Smartphones and Laptops in FY2023?

Exam Q 122023Previous Year Pattern

If Smartphones sales increased by 25% from FY2022 to FY2023, what were the Smartphones sales in FY2022?

Exam Q 132023Previous Year Pattern

The combined revenue of Support & Maintenance and Consulting Services in Q2 is what percentage of the total annual revenue?

Exam Q 142023Previous Year Pattern

If Laptops revenue decreased by 10% from the previous year to reach ₹1100 crores in the current year, what was the total revenue in the previous year? (Assume only Laptops changed; all other categories remained at current year percentages)

Exam Q 152023Previous Year Pattern

What is the average quarterly revenue (in ₹ crores) generated by Software Solutions across all four quarters?

Exam Q 162023Previous Year Pattern

By what percentage did Hardware Devices revenue increase from Q1 to Q4 (in absolute terms)?

Exam Q 172023Previous Year Pattern

What is the difference between the revenue generated from Smartphones and Accessories in the current year?

Exam Q 182023Previous Year Pattern

What is the difference (in ₹ crores) between Cloud Services revenue in Q4 and Consulting Services revenue in Q1?

Exam Q 192023Previous Year Pattern

The revenue from Accessories increased by 25% from the previous year. If the current year Accessories revenue is ₹800 crores, what was the approximate previous year revenue from Accessories, and by how much did it increase in absolute terms?

Exam Q 202023Previous Year Pattern

If Cloud Services revenue grows at the same rate from Q4 to Q1 (next year) as it did from Q1 to Q4 (current year), what will be its revenue in Q1 of next year (in ₹ crores), assuming Q1 next year total revenue remains ₹900 crores?

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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