Core arithmetic, algebra, and data sufficiency concepts tested on the GMAT quantitative section.
43 cards · basic cards · AI-written, checked twice. Edit anything.
- What is a prime number?
- A natural number greater than 1 that has no positive divisors other than 1 and itself.
- Which of 2, 3, 5, 9 are prime numbers?
- 2, 3, and 5. (9 = 3 times 3, so it is composite.)
- A number is divisible by 3 if what is true about its digits?
- The sum of its digits is divisible by 3.
- A number is divisible by 9 if what is true?
- The sum of its digits is divisible by 9.
- Define the Greatest Common Divisor (GCD).
- The largest positive integer that divides two or more numbers evenly.
- Define the Least Common Multiple (LCM).
- The smallest positive integer that is divisible by two or more given numbers.
- When you divide 17 by 5, the remainder is?
- 2 (because 17 = 5 times 3 plus 2)
- Convert 25% to a fraction in lowest terms.
- 1/4
- If a quantity increases from 50 to 60, what is the percent increase?
- 20% (because (60 - 50) / 50 = 10 / 50 = 0.2 = 20%)
- If the ratio of boys to girls is 3:2 and there are 15 boys, how many girls are there?
- 10 girls (because 3 : 2 = 15 : x, so x = 10)
- What is the average (arithmetic mean) of 5, 10, and 15?
- 10 (because (5 + 10 + 15) / 3 = 30 / 3 = 10)
- Simplify 2^5.
- 32 (because 2 times 2 times 2 times 2 times 2 = 32)
- What is the square root of 144?
- 12 (because 12 times 12 = 144)
- What does PEMDAS/BODMAS tell you?
- The order in which to perform operations: Parentheses/Brackets, Exponents/Orders, Multiplication and Division (left to right), Addition and Subtraction (left to right).
- What is the absolute value of -7?
- 7 (the absolute value is always non-negative)