SAT — Scholastic Assessment Test (Digital SAT)
Take the SAT Math — Problem-Solving and Data Analysis, Set 2: 20 multiple-choice questions (30 minutes) with instant scoring and a full answer review.…
What this test covers
The first 5 questions of this test, with the correct answer and explanation.
Q1. An $80 jacket is discounted by 15%, and then a further 10% is taken off the sale price. What is the final price?
Answer: D. $61.20
Explanation: 80 × 0.85 × 0.90 = 61.20. (Taking 25% off at once would give 60.)
Q2. A town's population falls from 1,200 to 900. What is the percent decrease?
Answer: B. 25%
Explanation: 300 ÷ 1200 = 0.25 = 25%.
Q3. A recipe for 4 people uses 300 g of flour. How much flour is needed for 10 people?
Answer: B. 750 g
Explanation: 300 ÷ 4 = 75 g per person; 75 × 10 = 750 g.
Q4. A typist types 240 words in 4 minutes. At the same rate, how many words in 15 minutes?
Answer: C. 900
Explanation: 60 words per minute × 15 = 900.
Q5. The mean of five numbers is 12. Four of them are 10, 11, 13 and 15. What is the fifth?
Answer: C. 11
Explanation: The total is 5 × 12 = 60, and 60 − 49 = 11.
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Q6. What is the median of 2, 8, 3, 9, 5 and 7?
Q7. What is the mode of 3, 4, 4, 6, 7, 7, 7, 9?
Q8. In a class of 60, there are 35 girls, and 14 of the girls prefer science. What is the probability that a randomly chosen girl prefers science?
Q9. A card is drawn from a standard 52-card deck. What is the probability that it is a heart?
Q10. A spinner has 10 equal sections numbered 1 to 10. What is the probability of landing on a multiple of 3?
Q11. A block has a mass of 600 g and a volume of 200 cm³. What is its density?
Q12. Convert 30 metres per second to kilometres per hour.
Q13. The figure shows a box plot. What is the interquartile range?
Q14. Using the same box plot, what is the range of the data?
Q15. A table shows y = 5, 10, 20, 40 when x = 0, 1, 2, 3. Which kind of model fits best?
Q16. The histogram shows the scores of 30 students. How many scored 70 or more?
Q17. Using the same histogram, what fraction of the 30 students scored below 60?
Q18. A survey of 50 randomly chosen students at one school found that 70% walk to school. To which group can this result most reasonably be applied?
Q19. 18 is what percent of 72?
Q20. Class A (20 students) has a mean score of 70, and class B (30 students) has a mean of 80. What is the mean of all 50 students?