Quantitative Reasoning and Data Interpretation Flashcards
7 cards from real GCAT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Quantitative Reasoning and Data Interpretation flashcards as text
A bar chart shows monthly sales (in thousands): Jan=12, Feb=15, Mar=10, Apr=18, May=14. What is the median monthly sales value?
Answer: 14
Sorted values are 10, 12, 14, 15, 18 — the middle (3rd) value is 14.
A store marks up items by 40% and then offers a 20% discount on the marked-up price. What is the net percentage change from the original price?
Answer: 12% increase
1.40 × 0.80 = 1.12, which represents a 12% net increase over the original price.
A pie chart shows 5 categories. Category A covers 90°. What percentage of the total does Category A represent?
Answer: 25%
90° out of 360° equals 90/360 = 0.25 = 25%.
The ratio of boys to girls in a class is 3:5. If there are 25 girls, how many total students are in the class?
Answer: 40
5 parts = 25 girls, so 1 part = 5; boys = 3 × 5 = 15; total = 15 + 25 = 40.
A line graph shows a company's profit increasing from $200,000 in 2020 to $350,000 in 2024. What is the average annual increase in profit?
Answer: $37,500
Total increase = $150,000 over 4 years; average = $150,000 ÷ 4 = $37,500 per year.
If 3x + 7 = 22, what is the value of 6x − 4?
Answer: 26
From 3x + 7 = 22, x = 5; then 6(5) − 4 = 30 − 4 = 26.
A table shows four employees' hours worked: Ana=38, Ben=42, Carl=35, Dana=45. What is the range of hours worked?
Answer: 10
Range = maximum − minimum = 45 − 35 = 10.