Mathematics trivia questions and answers
The Quickfire pack has 50 Mathematics questions, all written in English and Spanish. Here are 15 of them. Hosts get the full set, ready to put on a TV with players answering on their phones.
Tap a question to reveal the answer. The sample runs from very easy to very hard, like the pack itself. Showing 15 of 50 questions.
What is 2 + 2?Very easy
Answer: 4.
What is 3 × 3?Very easy
Answer: 9.
How many sides does an octagon have?Very easy
Answer: 8.
What is the smallest prime number?Easy
Answer: 2.
What is the square root of 25?Easy
Answer: 5.
What is factorial of 4?Easy
Answer: 24.
What is Euler's number approximately?Intermediate
Answer: 2.718.
In the Monty Hall problem, what is the probability of winning if you switch doors?Intermediate
Answer: 2/3.
What is the square root of 144?Intermediate
Answer: 12.
What is log10(100)?Hard
Answer: 2.
What is the sum of first n naturals?Hard
Answer: n(n+1)/2.
Which British mathematician proved Fermat's Last Theorem in 1994?Hard
Answer: Andrew Wiles.
What is the value of i², where i is the imaginary unit?Very hard
Answer: -1.
What is the approximate value of the golden ratio?Very hard
Answer: 1.618.
What is the Collatz conjecture?Very hard
Answer: All numbers reach 1 under 3n+1 rule.
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