Pie Charts

Q: What is the absolute difference in sales volume between Android and iOS?

Correct Answer: Option C (540 Million). Difference = 70% (Android) - 25% (iOS) = 45%. Difference in volume = 45% of 1.2 Billion = (45/100) * 1200 Million = 540 Million.

Q: What is the combined central angle for HarmonyOS and Others?

Correct Answer: Option B (18°). Combined % = 3% (HarmonyOS) + 2% (Others) = 5%. Central angle = 5% of 360° = 18°.

Q: If Android loses 5 percentage points of its market share directly to iOS, what will be the new sales volume of iOS?

Correct Answer: Option C (360 Million). New iOS share = 25% + 5% = 30%. New sales volume = 30% of 1.2 Billion = (30/100) * 1200 Million = 360 Million.

Q: What is the ratio of Android sales to the combined sales of all other operating systems?

Correct Answer: Option B (7:3). Android = 70%. All others combined = 25% + 3% + 2% = 30%. Ratio = 70 : 30 = 7 : 3.

Q: If the total global sales volume reaches 1.5 Billion units next year, and HarmonyOS manages to double its percentage share, what will be its sales volume?

Correct Answer: Option C (90 Million). Current HarmonyOS share = 3%. Doubled share = 6%. New sales volume = 6% of 1.5 Billion = (6/100) * 1500 Million = 90 Million.

40 Questions

Practice Pie Charts questions with answers and step-by-step solutions. These problems are curated from recent campus placement test papers (TCS, Infosys, Wipro, Cognizant, Accenture) and competitive government exams (SSC CGL, Bank PO, RRB NTPC, UPSC).

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Pie Charts: Reference Chart & Data Shared for questions below

Pie Chart & DataSet 5: Global Smartphone Sales by OS in 2025 (Total = 1.2 Billion Units)

Q21

What is the absolute difference in sales volume between Android and iOS?

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Q22

What is the combined central angle for HarmonyOS and Others?

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Q23

If Android loses 5 percentage points of its market share directly to iOS, what will be the new sales volume of iOS?

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Q24

What is the ratio of Android sales to the combined sales of all other operating systems?

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Q25

If the total global sales volume reaches 1.5 Billion units next year, and HarmonyOS manages to double its percentage share, what will be its sales volume?

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Pie Charts

What is the absolute difference in sales volume between Android and iOS?

Community Discussion & Shortcut Formulas

What is the combined central angle for HarmonyOS and Others?

Community Discussion & Shortcut Formulas

If Android loses 5 percentage points of its market share directly to iOS, what will be the new sales volume of iOS?

Community Discussion & Shortcut Formulas

What is the ratio of Android sales to the combined sales of all other operating systems?

Community Discussion & Shortcut Formulas

If the total global sales volume reaches 1.5 Billion units next year, and HarmonyOS manages to double its percentage share, what will be its sales volume?

Community Discussion & Shortcut Formulas