What is the difference between total number of shirts sold fro... | Mathematics MCQ | Examoogle

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What is the difference between total number of shirts sold from shop B in 2022 and 2024 taken together and total number of shirts sold from shop A in same time period?

1800

1200

1000

800

None of the above

Correct Answer

📐 MA • Math Direct FormulaMathematicsStatistics

Option A

1800

Quick Summary:

Calculate the difference for each year separately: $(5000 - 3000) + (4300 - 4500) = 2000 - 200 = 1800$ .

📐MAMath SolutionDirect Formula

📋 Given

Shop A sold 3000 shirts in 2022 and 4500 shirts in 2024. Shop B sold 5000 shirts in 2022 and 4300 shirts in 2024.

🔢 Formula Used

Difference=(Shop B2022+Shop B2024)−(Shop A2022+Shop A2024)\text{Difference} = (\text{Shop B}_{2022} + \text{Shop B}_{2024}) - (\text{Shop A}_{2022} + \text{Shop A}_{2024})Difference=(Shop B2022​+Shop B2024​)−(Shop A2022​+Shop A2024​)

⚡ Exam Hall Shortcut / Speed Trick

Calculate the difference for each year separately: $(5000 - 3000) + (4300 - 4500) = 2000 - 200 = 1800$ .

⚠️ Common Student Trap / Pitfall

Many students misread the line graph values for the specific years, leading to incorrect summations.

📊 Diagram / Illustration

🔢 Step-by-Step Solution

Extract Data for Shop A

From the line graph, the number of shirts sold by Shop A is 3000 in 2022 and 4500 in 2024. Summing these: $3000 + 4500 = 7500$ .

3000+4500=75003000 + 4500 = 75003000+4500=7500

Extract Data for Shop B

From the line graph, the number of shirts sold by Shop B is 5000 in 2022 and 4300 in 2024. Summing these: $5000 + 4300 = 9300$ .

5000+4300=93005000 + 4300 = 93005000+4300=9300

Calculate the Difference

Subtract the total of Shop A from the total of Shop B: $9300 - 7500 = 1800$ .

9300−7500=18009300 - 7500 = 18009300−7500=1800

✅

A is correct because the difference between the total sales of Shop B ( $9300$ ) and Shop A ( $7500$ ) is $1800$ .

Core Concepts Used

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Data Interpretation Graph Analysis Arithmetic Summation

💡 EXAM TIP

This type of multi-year comparative analysis is common in CAT and Banking exams; always verify axis labels before calculating.

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