Crossover Aptitude Test Math 2 — Questions and Answers
Question 1: A store marks up an item by 40% then offers a 20% discount. What is the net change from the original price?
- 12% increase (Correct answer)
- 20% increase
- 8% increase
- No change
Correct answer: 12% increase
1.40 × 0.80 = 1.12, a 12% increase over the original price.
Question 2: If the ratio of boys to girls in a class is 3:5 and there are 24 boys, how many students are in the class total?
- 56
- 64 (Correct answer)
- 40
- 72
Correct answer: 64
24 boys = 3 parts, so 1 part = 8; total 8 parts = 64 students.
Question 3: What is the value of 2^10?
- 512
- 1024 (Correct answer)
- 2048
- 256
Correct answer: 1024
2^10 = 1024.
Question 4: A car travels 150 miles in 2.5 hours. At the same speed, how long will it take to travel 300 miles?
- 4 hours
- 5 hours (Correct answer)
- 6 hours
- 3.5 hours
Correct answer: 5 hours
Speed = 60 mph; 300 / 60 = 5 hours.
Question 5: Which of the following is a prime number?
- 51
- 57
- 61 (Correct answer)
- 63
Correct answer: 61
61 is prime; 51 = 3×17, 57 = 3×19, 63 = 9×7.
Question 6: Simplify: (3x² + 2x - 1) - (x² - 3x + 4)
- 2x² + 5x - 5 (Correct answer)
- 2x² - x - 5
- 2x² + 5x + 3
- 4x² - x - 5
Correct answer: 2x² + 5x - 5
Distributing the minus sign: 3x²+2x-1-x²+3x-4 = 2x²+5x-5.
Question 7: What is 15% of 360?
- 48
- 54 (Correct answer)
- 52
- 45
Correct answer: 54
0.15 × 360 = 54.
Crossover Aptitude Test Math 2
A store marks up an item by 40% then offers a 20% discount.
What is the net change from the original price?