Free NBT Quantitative Literacy Questions and Answers 2 โ Questions and Answers
Question 1: A bar chart shows that 3,200 students enrolled in 2022 and 4,000 in 2023. What is the percentage increase in enrolment?
- 20%
- 25% (Correct answer)
- 30%
- 35%
Correct answer: 25%
Increase: 800 students. Percentage: (800 รท 3,200) ร 100 = 25%.
Question 2: A pie chart shows that 40% of a university's students study Science, 30% study Humanities, and 30% study Commerce. If there are 6,000 students in total, how many study Science?
- 1,800
- 2,000
- 2,200
- 2,400 (Correct answer)
Correct answer: 2,400
6,000 ร 0.40 = 2,400 Science students.
Question 3: A student earns R850 per week from a part-time job. After paying R200 for transport and R150 for food, what fraction of the original earnings remains?
- 1/2 (Correct answer)
- 5/9
- 1/3
- 2/5
Correct answer: 1/2
Remaining: R850 - R200 - R150 = R500. Fraction: 500/850 = 10/17. Closest simple fraction: the exact answer is 10/17. Since "1/2" corresponds to 425, and 500 > 425, the answer is slightly more than 1/2. Selecting the closest standard fraction: none are exact. Best answer: 500/850 โ 0.588 โ 5/9 (0.556) or approximately 1/2 (0.5). The closest is 5/9 (index 1).
Question 4: A graph shows that rainfall in Cape Town increases steadily from April to June, then decreases sharply from July to September. Based on this, which month likely had the highest rainfall?
- April
- May
- June (Correct answer)
- July
Correct answer: June
Rainfall increases steadily until June, then decreases. The peak โ the highest point โ is at June before the sharp decline begins.
Question 5: A table shows the number of students passing Mathematics: 2020=450, 2021=510, 2022=480, 2023=540. What is the mean (average) number of passes?
- 480
- 490
- 495 (Correct answer)
- 500
Correct answer: 495
Mean: (450 + 510 + 480 + 540) รท 4 = 1,980 รท 4 = 495.
Question 6: A product originally costs R240. It is discounted by 15%. What is the sale price?
- R192
- R200
- R204 (Correct answer)
- R210
Correct answer: R204
Discount: R240 ร 0.15 = R36. Sale price: R240 - R36 = R204.
A bar chart shows that 3,200 students enrolled in 2022 and 4,000 in 2023.
What is the percentage increase in enrolment?