PEMDAS, Fractions, Percents
Percent Change, Ratios, Rates, Proportions
Statistics
Probability
100

3 + 6 * 4

What is 27?

100

A wind turbine completes 900 revolutions in 50 minutes. At this rate, how many revolutions per minute does this turbine complete? 

What is 18?

100

{71, 72, 73, 74, 75, 76}

What is the median of the data set?

What is 73.5?

100

A bag contains a total of 60 marbles. A marble is to be chosen at random from the bag. If the probability that a blue marble will be chosen is 0.35, how many marbles in the bag are blue?

What is 21?

200

What is 4/7 divided by 3/11?



What is 44/21?

200

Jalen Brunson is planning a party in a 5,400-square-foot room. If there should be at least 8 square feet per person, what is the maximum number of people that could attend the party?

What is 675?

200

Set A = {1, 4, 7, 9, 12, 13, 24}. What is the sum of the mean, median, and range of set A?

What is 42?

200

A box contains 13 red pens and 37 blue pens. If one of those pens is selected at random, what is the probability of selecting a red pen?

What is 13/50?

300

What is 4 3/7 as an improper fraction?

What is 31/7?

300

The ratio of oxygen to hydrogen atoms in a mixture is 14:19. If there are a total of 495 atoms in the mixture, how many of them are hydrogen?

What is 285?

300

Data Set A: {72, 73, 73, 76, 76}

Data Set B: {61, 64, 74, 85, x}

If the mean of Data Set A is equal to the mean of Data Set B, what is the value of x? 

What is 86?

300

At a conference, there are 275 attendees. Each attendee is assigned to either Group A, Group B, or Group C. If one attendee is selected at random, the probability of selecting an attendee from Group A is 0.44, and the probability of selecting an attendee from Group B is 0.24. How many attendees are in Group C?

What is 88?

400

Put the following in order of least to greatest: 0.524, 29%, 8/19

29%, 8/19, 0.524

400

The total area of a coastal city is 92.1 square miles, of which 11.3 square miles is water. If the city has a population of 621,000 people, what is the population density in people per square mile of land area in the city? Round to the tens place. 

What is 7,690?

400

The mean score of 8 players in a basketball game was 14.5 points. If the highest individual score is removed, the mean score of the remaining 7 players becomes 12 points. What was the highest score? 

What is 32?

400

A six-sided die is rolled three times. What is the probability that the first roll will be a 2, the second roll will be either a 4 or a 5, and the third roll will be either a 1, 2, or 6? Express your answer as a simplified fraction.

What is 1/36?

500

2^3 + 7(2) - (2^2)^2



What is 6?

500

If (4a)/b = 6.7 and a/(bn) = 26.8, what is the value of n?

What is 0.0625?

500

Data set A consists of the heights of 75 objects and has a mean of 25 meters. Data set B consists of the heights of 50 objects and has a mean of 65 meters. Data set C consists of the heights of the 125 objects from data sets A and B. What is the mean, in meters, of Data set C?

What is 41?

500

               |    Site A    |    Site B    |    Total    |

Tulip        |       35      |       15      |      50     |

Daffodil    |       31      |       21      |     52      |

Total        |       66      |       36      |      102    |

The table shows the distribution of two types of flowers at two different sites. If a flower represented in the table is selected at random, what is the probability of selecting a flower from site A, given that the flower is a tulip?

What is 7/10?