Math Flashcards
7 cards from real Crossover Aptitude Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Math flashcards as text
A store marks up an item by 40% then offers a 20% discount. What is the net change from the original price?
Answer: 12% increase
1.40 × 0.80 = 1.12, a 12% increase over the original price.
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?
Answer: 64
24 boys = 3 parts, so 1 part = 8; total 8 parts = 64 students.
What is the value of 2^10?
Answer: 1024
2^10 = 1024.
A car travels 150 miles in 2.5 hours. At the same speed, how long will it take to travel 300 miles?
Answer: 5 hours
Speed = 60 mph; 300 / 60 = 5 hours.
Which of the following is a prime number?
Answer: 61
61 is prime; 51 = 3×17, 57 = 3×19, 63 = 9×7.
Simplify: (3x² + 2x - 1) - (x² - 3x + 4)
Answer: 2x² + 5x - 5
Distributing the minus sign: 3x²+2x-1-x²+3x-4 = 2x²+5x-5.
What is 15% of 360?
Answer: 54
0.15 × 360 = 54.