Data Interpretation

Ladakh Police Constable · Mathematics · 100 practice questions with answers and explanations: 38 Easy, 62 Medium, 0 Hard.

Sample questions

Sample Easy question 1

Out of 160 candidates, 75% passed. How many failed?

  1. 38
  2. 42
  3. 35
  4. 40
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Answer: D. Passed = 120, failed = 160 - 120 = 40.

Sample Easy question 2

A survey of 350 people found 40% prefer tea. How many prefer tea?

  1. 135
  2. 142
  3. 138
  4. 140
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Answer: D. 40% of 350 = 140.

Sample Easy question 3

A survey of 450 people found 40% prefer coffee. How many prefer coffee?

  1. 178
  2. 182
  3. 175
  4. 180
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Answer: D. 40% of 450 = 180.

Sample Medium question 4

A pie chart shows a company's expenses: Salaries 35%, Rent 25%, Marketing 20%, Others 20%, on a total expense of Rs. 10,00,000. Find the amount spent on Rent.

  1. 2,30,000
  2. 2,40,000
  3. 2,60,000
  4. 2,50,000
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Answer: D. Rent = 25% of 10,00,000 = 2,50,000.

Sample Medium question 5

A pie chart shows a company's expenses: Salaries 40%, Rent 15%, Marketing 25%, Others 20%, on a total expense of Rs. 12,00,000. Find the amount spent on Marketing.

  1. 3,00,000
  2. 3,10,000
  3. 2,80,000
  4. 2,90,000
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Answer: A. Marketing = 25% of 12,00,000 = 3,00,000.

Sample Medium question 6

In a bar chart, sales in Q1 were 400 units and in Q2 were 500 units. Find the percentage increase from Q1 to Q2.

  1. 22%
  2. 28%
  3. 20%
  4. 25%
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Answer: D. Increase = 100, percentage = 100/400 × 100 = 25%.

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