Fermi Questions
Probabability
Trivia
Math riddles
General Math
100

Amount of People at this Beam site this summer

What is 10^2

100

The probability of getting an even number on a 4 sided dice

What is 1/2

100

The team that LeBron was on when he won his first Championship

What is the Miami Heat

100

What is the maximum number of times you can subtract five from 25?

once

100

Solve the equation for x and y:

3x +21 = 42

2y - x = 1

x=7, y= 4

200

Amount of legs that would be in a group of 100 dogs and 50 cats

What is 10^2

200

The probability of getting a prime number on an 10 sided dice

What is 4/10?

200

The most popular manga of all time

What is One Piece?

200

When I was twelve my brother was half my age. I’m 40 now, so how old is he?

34

200

Using only addition, how can you get to 1000 by using only 8’s?

888+88+8+8+8

300

 Grains of rice are in a 10 kilogram bag of rice

What is 10^5

300

The probability of getting two 1s when rolling a 6 sided dice 3 times 

What is 15/216

300

The name of the two specialized high schools in Brooklyn

What are Brooklyn Tech and Brooklyn Latin?


300

One grandmother, two mothers, and two daughters went on a trip to the zoo together and bought one ticket each. How many tickets did they buy?

3 tickets

300

The amount of conversations that would happen if everyone in this room had a conversation with each other

varies

400

The speed of light in meters per second

What is 10^8

400

The concept that as we do more experiments, our expected value tends towards the theoretical average.

What is the law of large numbers

400

The country that has the most Nobel Prizes per capita that regulary collects Nobel Prizes

What is Switzerland?
400

A farmer explains the animals he keeps on his farm to a neighbor. He says “I only keep sheep, goats, and horses. At the minute, I have all sheep except three, all goats bar four, and all horses bar five.”. How many does he have of each animal?

one horse, two goats, and three sheep.

400

2+2 = 44

3+3 = 96

4+4 = 168

5+5 = 2510

Then what is 6+6?

3612

500

The amount of regular M&Ms that would fit inside the sun. Assume the M&Ms do not melt or stick together.

What is 10^27

500

Twenty passengers are waiting to get on a plane with twenty seats.Everyone has an assigned seat, but the first passenger has lost their ticket and randomly chooses a seat to sit in. The next passenger gets on. If their seat is open, they sit down in their seat. If not, they randomly choose one of the open seats to sit in. Every passenger afterwards does the same thing. Suppose you are the last passenger to get on. What is the probability that you sit down in your assigned seat?

1/2

500

The number 1 bilboard song in 2010

What is Tik Tok by Kesha?

500

There is a clothing store where the owner has come up with his own method of pricing his items. A tie costs $15, a shirt costs $25, a skirt costs $25, and trousers costs $40. Using this method, how much would a coat cost?

$20

500

I have 20 candies. If I share them equally with my friends, there are 2 left over. If one more person joins us, there are 6 candies left. How many friends am I with

6 people altogether