1. EASY

If the ratio of boys to girls is 16:1 in Ryan's class, and there are 16 boys, how many girls are in the class?
 
2. EASY

There are 5 red marbles and 7 blue marbles in a bag. What is the ratio of red marbles to blue marbles?
 
3. EASY

Ben took a Math contest and got 10 correct and 35 incorrect answers. What was the percentage of correct answers? (Round to the nearest percent.)

  1. 29%
  2. 22%
  3. 5%
  4. 40%
  5. 10%
 
4. MEDIUM

In an ice cream preference survey, it was shown that 32 students preferred chocolate, 23 preferred vanilla, and 53 preferred the Alex Special Blend\(^{TM}\). What percentage of students did not like chocolate?

  1. 70%
  2. 79%
  3. 30%
  4. 25%
  5. 83%
 
5. MEDIUM

Yves and Julia have 12 children. If 3 of them are girls, what percent of them are boys?

  1. 70%
  2. 30%
  3. 25%
  4. 75%
  5. 80%
 
6. MEDIUM

If there are 10 multiple choice questions and 4 short answer questions on a test, what is the ratio of short answer questions to multiple choice questions, in simplest form?
 
7. MEDIUM

On Mr.L's tests, the ratio of bonus questions to regular questions is 2:5. If there are 6 bonus questions, how many regular questions are there?
 
8. HARD

In a class, 20 students are girls, composing 40% of the class. What is the total number of students in the class?

  1. 20
  2. 30
  3. 50
  4. 60
  5. 70
 
9. HARD

In Mr.G's class, the ratio of boys to girls is 4:5. If 25% of the boys leave the class, what is the new ratio of boys to girls?
 
10. HARD

Ben answered 64 problems correctly on his history exam and received a grade 75%. How many problems were on the exam, if all the problems were worth the same number of points? (Round to the nearest whole number)

  1. 48
  2. 100
  3. 90
  4. 80
  5. 85


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