Numerical Reasoning Random 4 — Questions and Answers
Question 1: A pie chart shows that 72° represents the 'Travel' category. What percentage of the total does Travel represent?
- 18%
- 22%
- 20% (Correct answer)
- 16%
Correct answer: 20%
72° out of 360° = 72/360 = 0.20 = 20%.
Question 2: A data set has values: 12, 15, 18, 21, 24. What is the mean?
- 17
- 19
- 18 (Correct answer)
- 20
Correct answer: 18
Sum = 90; mean = 90 ÷ 5 = 18.
Question 3: Sales figures (in thousands) for 5 months are: 30, 45, 28, 52, 35. What is the median?
- 35 (Correct answer)
- 38
- 30
- 45
Correct answer: 35
Sorted: 28, 30, 35, 45, 52; the middle value is 35.
Question 4: A bar chart shows Company A earned $5.2M and Company B earned $3.9M. Company A's revenue is approximately what percentage MORE than Company B's?
- 25%
- 40%
- 33% (Correct answer)
- 20%
Correct answer: 33%
Difference = $1.3M; 1.3/3.9 × 100 ≈ 33%.
Question 5: A line graph shows population grew from 2.0M in 2010 to 2.6M in 2020. What was the average annual growth (in thousands)?
- 55,000
- 65,000
- 70,000
- 60,000 (Correct answer)
Correct answer: 60,000
Growth = 0.6M over 10 years = 60,000 per year.
Question 6: A table shows quarterly profits: Q1=$42K, Q2=$58K, Q3=$37K, Q4=$63K. By how much does Q4 exceed the annual average?
- $10K
- $13K (Correct answer)
- $12K
- $11K
Correct answer: $13K
Average = ($42K+$58K+$37K+$63K)/4 = $50K; Q4 exceeds by $63K−$50K = $13K.
Question 7: A stacked bar shows total expenses of $800 with rent taking 37.5%. How much is rent?
- $290
- $320
- $300 (Correct answer)
- $310
Correct answer: $300
37.5% of $800 = 0.375 × $800 = $300.
Numerical Reasoning Random 4
A pie chart shows that 72° represents the 'Travel' category.
What percentage of the total does Travel represent?