Mathematics trivia

265 Mathematics trivia questions, no sign-in. Review your misses in the LoreUp app.

• Multiplying the numerator and denominator of a fraction by the same nonzero number leaves the size it represents unchanged.Numbers and arithmetic
• Which triangle has a hypotenuse?Geometry
• Standard deviation has the same unit as the original data.Probability and statistics
• If two events with nonzero probability are mutually exclusive, they are independent.Probability and statistics
• Which term in probability names the case where an event does not happen?Probability and statistics
• In how many ways can two people be chosen from five when the order does not matter?Probability and statistics
• The mean is the total of the data divided by how many values there are.Probability and statistics
• Two dice are rolled. What is the probability that the product of the numbers is odd?Probability and statistics
• The median is the value that sits in the middle once the data are put in order.Probability and statistics
• A mean barely moves even when one unusually large value is mixed into the data.Probability and statistics
• What is the value that appears most often in a set of data called?Probability and statistics
• Rolling a single die, the chance of getting a face you named in advance is one in six.Probability and statistics
• What is the mean of 1, 2, 3, 4 and 5?Probability and statistics
• What is the probability that two dice show a total of 7?Probability and statistics
• After heads has come up five times in a row, tails becomes more likely on the next toss.Probability and statistics
• A larger standard deviation means the data sit closer to the mean.Probability and statistics
• Two coins are tossed together. What is the chance that both come up heads?Probability and statistics
• Which distribution forms a bell shape symmetric about the mean and turns up often in heights and test scores?Probability and statistics
• Which graph splits data into a few intervals and shows the count in each as the height of a bar?Probability and statistics
• If two sets of data rise and fall together, one can be taken as the cause of the other.Probability and statistics
• In how many ways can three different books be lined up in a row on a shelf?Probability and statistics
• A fraction in lowest terms has a terminating decimal exactly when its denominator's prime factors are only 2 and 5.Numbers and arithmetic
• The sum of two irrational numbers is again irrational.Numbers and arithmetic
• With 23 people in a classroom, the chance that some pair shares a birthday is over half.Probability and statistics
• A prize sits behind one of three doors. You pick one and the host opens an empty door. What now?Probability and statistics
• The number 1 is a multiple of every whole number.Numbers and arithmetic
• The factorial of zero, written 0!, is defined to be 1.Numbers and arithmetic
• The largest divisor of a whole number is the number itself.Numbers and arithmetic
• Dividing any number by 1 gives back that same number.Numbers and arithmetic
• What is the remainder when 17 is divided by 5?Numbers and arithmetic
• The whole numbers from 1 to 100 contain as many even numbers as odd numbers.Numbers and arithmetic
• Using each of the digit cards 3, 5, and 8 exactly once, what is the largest three-digit number?Numbers and arithmetic
• How many minutes are there in 1 hour and 15 minutes?Numbers and arithmetic
• How is the decimal 0.5 written as a percentage?Numbers and arithmetic
• Multiplying any number by zero gives zero.Numbers and arithmetic
• When one positive integer is divided by another, the remainder is smaller than the divisor.Numbers and arithmetic
• Which expression has the same value as 3 × (4 + 2)?Numbers and arithmetic
• How do −2 and −5 compare?Numbers and arithmetic
• How do 2/3 and 3/4 compare?Numbers and arithmetic
• Which situation has a total equal to 4 × 3?Numbers and arithmetic
• 45 minutes is what fraction of an hour?Numbers and arithmetic
• An item costs 9,000 won in Korea after a 10 percent discount. What was the original price?Numbers and arithmetic
• Which of the odd numbers from 21 to 27 is prime?Numbers and arithmetic
• How many multiples of 4 are there among the whole numbers from 1 to 20?Numbers and arithmetic
• What is the relationship called between two numbers such as 6 and 35 that share no divisor except 1?Numbers and arithmetic
• A base-10 integer ending in 0, 2, 4, 6, or 8 is even.Numbers and arithmetic
• Multiplying an odd number by an odd number gives an odd result.Numbers and arithmetic
• What is 2 raised to the fifth power?Numbers and arithmetic
• Ten thousand multiplied by ten thousand equals which number?Numbers and arithmetic
• The number 1 does not count as a prime.Numbers and arithmetic
• How many divisors does 12 have in all?Numbers and arithmetic
• What are numbers such as 1, 3, 6, 10 and 15, built by stacking dots one longer row at a time, called?Numbers and arithmetic
• Zero counts as an even number.Numbers and arithmetic
• Multiplying a negative number by another negative number gives a negative result.Numbers and arithmetic
• Internet cryptography leans on the fact that multiplying two large primes is easy while factoring the product back apart is hard.Numbers and arithmetic
• Written as a fraction, what is the decimal 0.25?Numbers and arithmetic
• What is the least common multiple of 4 and 6?Numbers and arithmetic
• Roman numerals include a separate symbol for zero.Numbers and arithmetic
• Multiplying two numbers gives the same result whichever order you take them in.Numbers and arithmetic
• If the digits of a number add up to a multiple of 3, the number itself is a multiple of 3.Numbers and arithmetic